Home / 8,755.30-13,133.77-3,489.04

Finding the Fourth Proportional to 8,755.30, 13,133.77 and 3,489.04

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Solution

The fourth proportional to 8,755.30, 13,133.77 and 3,489.04 is: 5,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.30 : 13,133.77 = 3,489.04 : x
  2. Step 2: Convert to fraction form
    8,755.30/13,133.77 = 3,489.04/x
  3. Step 3: Cross multiply
    8,755.30x = 13,133.77 × 3,489.04
  4. Step 4: Simplify right side
    8,755.30x = 45,824,248.88
  5. Step 5: Solve for x
    x = 45,824,248.88/8,755.30
  6. Step 6: Final answer
    x = 5,233.89

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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.