Home / 8,864.43-13,292.11-2,939.18

Finding the Fourth Proportional to 8,864.43, 13,292.11 and 2,939.18

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Solution

The fourth proportional to 8,864.43, 13,292.11 and 2,939.18 is: 4,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.43 : 13,292.11 = 2,939.18 : x
  2. Step 2: Convert to fraction form
    8,864.43/13,292.11 = 2,939.18/x
  3. Step 3: Cross multiply
    8,864.43x = 13,292.11 × 2,939.18
  4. Step 4: Simplify right side
    8,864.43x = 39,067,824.55
  5. Step 5: Solve for x
    x = 39,067,824.55/8,864.43
  6. Step 6: Final answer
    x = 4,407.26

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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.