Home / 7,753.38-11,630.87-2,487.09

Finding the Fourth Proportional to 7,753.38, 11,630.87 and 2,487.09

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Solution

The fourth proportional to 7,753.38, 11,630.87 and 2,487.09 is: 3,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.38 : 11,630.87 = 2,487.09 : x
  2. Step 2: Convert to fraction form
    7,753.38/11,630.87 = 2,487.09/x
  3. Step 3: Cross multiply
    7,753.38x = 11,630.87 × 2,487.09
  4. Step 4: Simplify right side
    7,753.38x = 28,927,008.03
  5. Step 5: Solve for x
    x = 28,927,008.03/7,753.38
  6. Step 6: Final answer
    x = 3,730.89

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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.