Home / 8,929.68-13,396.44-2,689.17

Finding the Fourth Proportional to 8,929.68, 13,396.44 and 2,689.17

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Solution

The fourth proportional to 8,929.68, 13,396.44 and 2,689.17 is: 4,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.68 : 13,396.44 = 2,689.17 : x
  2. Step 2: Convert to fraction form
    8,929.68/13,396.44 = 2,689.17/x
  3. Step 3: Cross multiply
    8,929.68x = 13,396.44 × 2,689.17
  4. Step 4: Simplify right side
    8,929.68x = 36,025,304.55
  5. Step 5: Solve for x
    x = 36,025,304.55/8,929.68
  6. Step 6: Final answer
    x = 4,034.33

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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.