Home / 8,930.56-13,398.46-3,999.10

Finding the Fourth Proportional to 8,930.56, 13,398.46 and 3,999.10

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Solution

The fourth proportional to 8,930.56, 13,398.46 and 3,999.10 is: 5,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.56 : 13,398.46 = 3,999.10 : x
  2. Step 2: Convert to fraction form
    8,930.56/13,398.46 = 3,999.10/x
  3. Step 3: Cross multiply
    8,930.56x = 13,398.46 × 3,999.10
  4. Step 4: Simplify right side
    8,930.56x = 53,581,781.39
  5. Step 5: Solve for x
    x = 53,581,781.39/8,930.56
  6. Step 6: Final answer
    x = 5,999.82

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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.