Solving Proportions

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What is a proportion?

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A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

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To solve a proportion, cross-multiply the two ratios and then solve for the unknown variable.

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What does cross-multiplication involve?

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Cross-multiplication involves multiplying the numerator of one ratio by the denominator of the other ratio.

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How can you check if your solution to a proportion is correct?

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You can check by substituting the solution back into the original proportion to see if both sides are equal.

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What does it mean if two ratios are equivalent?

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It means that they represent the same relationship or proportion between quantities.

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