Home / 7,489.08-10,331.76-5,496.20

Finding the Fourth Proportional to 7,489.08, 10,331.76 and 5,496.20

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Solution

The fourth proportional to 7,489.08, 10,331.76 and 5,496.20 is: 7,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.08 : 10,331.76 = 5,496.20 : x
  2. Step 2: Convert to fraction form
    7,489.08/10,331.76 = 5,496.20/x
  3. Step 3: Cross multiply
    7,489.08x = 10,331.76 × 5,496.20
  4. Step 4: Simplify right side
    7,489.08x = 56,785,419.31
  5. Step 5: Solve for x
    x = 56,785,419.31/7,489.08
  6. Step 6: Final answer
    x = 7,582.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.