Home / 6,691.49-9,234.14-3,858.64

Finding the Fourth Proportional to 6,691.49, 9,234.14 and 3,858.64

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Solution

The fourth proportional to 6,691.49, 9,234.14 and 3,858.64 is: 5,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.49 : 9,234.14 = 3,858.64 : x
  2. Step 2: Convert to fraction form
    6,691.49/9,234.14 = 3,858.64/x
  3. Step 3: Cross multiply
    6,691.49x = 9,234.14 × 3,858.64
  4. Step 4: Simplify right side
    6,691.49x = 35,631,221.97
  5. Step 5: Solve for x
    x = 35,631,221.97/6,691.49
  6. Step 6: Final answer
    x = 5,324.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.