Home / 8,972.34-13,460.19-2,732.91

Finding the Fourth Proportional to 8,972.34, 13,460.19 and 2,732.91

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Solution

The fourth proportional to 8,972.34, 13,460.19 and 2,732.91 is: 4,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.34 : 13,460.19 = 2,732.91 : x
  2. Step 2: Convert to fraction form
    8,972.34/13,460.19 = 2,732.91/x
  3. Step 3: Cross multiply
    8,972.34x = 13,460.19 × 2,732.91
  4. Step 4: Simplify right side
    8,972.34x = 36,785,487.85
  5. Step 5: Solve for x
    x = 36,785,487.85/8,972.34
  6. Step 6: Final answer
    x = 4,099.88

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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.