Home / 7,702.38-11,544.69-3,481.08

Finding the Fourth Proportional to 7,702.38, 11,544.69 and 3,481.08

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Solution

The fourth proportional to 7,702.38, 11,544.69 and 3,481.08 is: 5,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.38 : 11,544.69 = 3,481.08 : x
  2. Step 2: Convert to fraction form
    7,702.38/11,544.69 = 3,481.08/x
  3. Step 3: Cross multiply
    7,702.38x = 11,544.69 × 3,481.08
  4. Step 4: Simplify right side
    7,702.38x = 40,187,989.47
  5. Step 5: Solve for x
    x = 40,187,989.47/7,702.38
  6. Step 6: Final answer
    x = 5,217.61

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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.