Home / 8,934.96-13,388.62-3,385.29

Finding the Fourth Proportional to 8,934.96, 13,388.62 and 3,385.29

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Solution

The fourth proportional to 8,934.96, 13,388.62 and 3,385.29 is: 5,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.96 : 13,388.62 = 3,385.29 : x
  2. Step 2: Convert to fraction form
    8,934.96/13,388.62 = 3,385.29/x
  3. Step 3: Cross multiply
    8,934.96x = 13,388.62 × 3,385.29
  4. Step 4: Simplify right side
    8,934.96x = 45,324,399.97
  5. Step 5: Solve for x
    x = 45,324,399.97/8,934.96
  6. Step 6: Final answer
    x = 5,072.70

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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.