Home / 8,963.31-13,447.17-3,119.97

Finding the Fourth Proportional to 8,963.31, 13,447.17 and 3,119.97

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Solution

The fourth proportional to 8,963.31, 13,447.17 and 3,119.97 is: 4,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.31 : 13,447.17 = 3,119.97 : x
  2. Step 2: Convert to fraction form
    8,963.31/13,447.17 = 3,119.97/x
  3. Step 3: Cross multiply
    8,963.31x = 13,447.17 × 3,119.97
  4. Step 4: Simplify right side
    8,963.31x = 41,954,766.98
  5. Step 5: Solve for x
    x = 41,954,766.98/8,963.31
  6. Step 6: Final answer
    x = 4,680.72

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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.