What is a Proportional Relationship? | 7th Grade | Mathcation.com
Proportional Relationships
Proportions are statements of equality between two different ratios. All proportions have a multiple that is used to relate one variable to the other variable. The multiple that is used to multiply or divide to get from one variable to the other is called the Constant of Proportionality. Constant of Proportionality is written in the form y=kx, where k is the Constant of Proportionality. You can solve proportions by turning each ratio into a fraction, setting the fractions equal to each other, and then solving for the missing variable.
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