Home / 5,387.90-7,437.20-4,553.04

Finding the Fourth Proportional to 5,387.90, 7,437.20 and 4,553.04

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Solution

The fourth proportional to 5,387.90, 7,437.20 and 4,553.04 is: 6,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.90 : 7,437.20 = 4,553.04 : x
  2. Step 2: Convert to fraction form
    5,387.90/7,437.20 = 4,553.04/x
  3. Step 3: Cross multiply
    5,387.90x = 7,437.20 × 4,553.04
  4. Step 4: Simplify right side
    5,387.90x = 33,861,869.09
  5. Step 5: Solve for x
    x = 33,861,869.09/5,387.90
  6. Step 6: Final answer
    x = 6,284.80

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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.