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Finding the Fourth Proportional to 6,442.92, 8,892.99 and 3,791.19

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Solution

The fourth proportional to 6,442.92, 8,892.99 and 3,791.19 is: 5,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.92 : 8,892.99 = 3,791.19 : x
  2. Step 2: Convert to fraction form
    6,442.92/8,892.99 = 3,791.19/x
  3. Step 3: Cross multiply
    6,442.92x = 8,892.99 × 3,791.19
  4. Step 4: Simplify right side
    6,442.92x = 33,715,014.76
  5. Step 5: Solve for x
    x = 33,715,014.76/6,442.92
  6. Step 6: Final answer
    x = 5,232.88

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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.