Home / 8,351.08-12,517.18-3,418.02

Finding the Fourth Proportional to 8,351.08, 12,517.18 and 3,418.02

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Solution

The fourth proportional to 8,351.08, 12,517.18 and 3,418.02 is: 5,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.08 : 12,517.18 = 3,418.02 : x
  2. Step 2: Convert to fraction form
    8,351.08/12,517.18 = 3,418.02/x
  3. Step 3: Cross multiply
    8,351.08x = 12,517.18 × 3,418.02
  4. Step 4: Simplify right side
    8,351.08x = 42,783,963.04
  5. Step 5: Solve for x
    x = 42,783,963.04/8,351.08
  6. Step 6: Final answer
    x = 5,123.17

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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.