Home / 7,685.79-11,528.68-3,523.04

Finding the Fourth Proportional to 7,685.79, 11,528.68 and 3,523.04

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Solution

The fourth proportional to 7,685.79, 11,528.68 and 3,523.04 is: 5,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.79 : 11,528.68 = 3,523.04 : x
  2. Step 2: Convert to fraction form
    7,685.79/11,528.68 = 3,523.04/x
  3. Step 3: Cross multiply
    7,685.79x = 11,528.68 × 3,523.04
  4. Step 4: Simplify right side
    7,685.79x = 40,616,049.02
  5. Step 5: Solve for x
    x = 40,616,049.02/7,685.79
  6. Step 6: Final answer
    x = 5,284.57

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.