Home / 8,963.30-13,446.17-3,119.15

Finding the Fourth Proportional to 8,963.30, 13,446.17 and 3,119.15

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Solution

The fourth proportional to 8,963.30, 13,446.17 and 3,119.15 is: 4,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.30 : 13,446.17 = 3,119.15 : x
  2. Step 2: Convert to fraction form
    8,963.30/13,446.17 = 3,119.15/x
  3. Step 3: Cross multiply
    8,963.30x = 13,446.17 × 3,119.15
  4. Step 4: Simplify right side
    8,963.30x = 41,940,538.33
  5. Step 5: Solve for x
    x = 41,940,538.33/8,963.30
  6. Step 6: Final answer
    x = 4,679.14

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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.