Home / 8,972.31-13,459.17-2,732.88

Finding the Fourth Proportional to 8,972.31, 13,459.17 and 2,732.88

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Solution

The fourth proportional to 8,972.31, 13,459.17 and 2,732.88 is: 4,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.31 : 13,459.17 = 2,732.88 : x
  2. Step 2: Convert to fraction form
    8,972.31/13,459.17 = 2,732.88/x
  3. Step 3: Cross multiply
    8,972.31x = 13,459.17 × 2,732.88
  4. Step 4: Simplify right side
    8,972.31x = 36,782,296.51
  5. Step 5: Solve for x
    x = 36,782,296.51/8,972.31
  6. Step 6: Final answer
    x = 4,099.53

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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.