Home / 8,934.72-13,402.20-3,386.58

Finding the Fourth Proportional to 8,934.72, 13,402.20 and 3,386.58

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Solution

The fourth proportional to 8,934.72, 13,402.20 and 3,386.58 is: 5,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.72 : 13,402.20 = 3,386.58 : x
  2. Step 2: Convert to fraction form
    8,934.72/13,402.20 = 3,386.58/x
  3. Step 3: Cross multiply
    8,934.72x = 13,402.20 × 3,386.58
  4. Step 4: Simplify right side
    8,934.72x = 45,387,622.48
  5. Step 5: Solve for x
    x = 45,387,622.48/8,934.72
  6. Step 6: Final answer
    x = 5,079.92

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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.