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Finding the Fourth Proportional to 6,909, 9,534.44 and 3,765.12

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Solution

The fourth proportional to 6,909, 9,534.44 and 3,765.12 is: 5,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909 : 9,534.44 = 3,765.12 : x
  2. Step 2: Convert to fraction form
    6,909/9,534.44 = 3,765.12/x
  3. Step 3: Cross multiply
    6,909x = 9,534.44 × 3,765.12
  4. Step 4: Simplify right side
    6,909x = 35,898,310.73
  5. Step 5: Solve for x
    x = 35,898,310.73/6,909
  6. Step 6: Final answer
    x = 5,195.88

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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.