Home / 8,934.17-13,399.43-3,385.60

Finding the Fourth Proportional to 8,934.17, 13,399.43 and 3,385.60

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Solution

The fourth proportional to 8,934.17, 13,399.43 and 3,385.60 is: 5,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.17 : 13,399.43 = 3,385.60 : x
  2. Step 2: Convert to fraction form
    8,934.17/13,399.43 = 3,385.60/x
  3. Step 3: Cross multiply
    8,934.17x = 13,399.43 × 3,385.60
  4. Step 4: Simplify right side
    8,934.17x = 45,365,059.78
  5. Step 5: Solve for x
    x = 45,365,059.78/8,934.17
  6. Step 6: Final answer
    x = 5,077.71

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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.