Home / 7,540.97-11,310.99-3,379.86

Finding the Fourth Proportional to 7,540.97, 11,310.99 and 3,379.86

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Solution

The fourth proportional to 7,540.97, 11,310.99 and 3,379.86 is: 5,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.97 : 11,310.99 = 3,379.86 : x
  2. Step 2: Convert to fraction form
    7,540.97/11,310.99 = 3,379.86/x
  3. Step 3: Cross multiply
    7,540.97x = 11,310.99 × 3,379.86
  4. Step 4: Simplify right side
    7,540.97x = 38,229,569.00
  5. Step 5: Solve for x
    x = 38,229,569.00/7,540.97
  6. Step 6: Final answer
    x = 5,069.58

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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.