Home / 8,789.38-13,171.11-4,892.74

Finding the Fourth Proportional to 8,789.38, 13,171.11 and 4,892.74

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Solution

The fourth proportional to 8,789.38, 13,171.11 and 4,892.74 is: 7,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.38 : 13,171.11 = 4,892.74 : x
  2. Step 2: Convert to fraction form
    8,789.38/13,171.11 = 4,892.74/x
  3. Step 3: Cross multiply
    8,789.38x = 13,171.11 × 4,892.74
  4. Step 4: Simplify right side
    8,789.38x = 64,442,816.74
  5. Step 5: Solve for x
    x = 64,442,816.74/8,789.38
  6. Step 6: Final answer
    x = 7,331.90

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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.