Home / 8,251.17-12,372.30-2,985.36

Finding the Fourth Proportional to 8,251.17, 12,372.30 and 2,985.36

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Solution

The fourth proportional to 8,251.17, 12,372.30 and 2,985.36 is: 4,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.17 : 12,372.30 = 2,985.36 : x
  2. Step 2: Convert to fraction form
    8,251.17/12,372.30 = 2,985.36/x
  3. Step 3: Cross multiply
    8,251.17x = 12,372.30 × 2,985.36
  4. Step 4: Simplify right side
    8,251.17x = 36,935,769.53
  5. Step 5: Solve for x
    x = 36,935,769.53/8,251.17
  6. Step 6: Final answer
    x = 4,476.43

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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.