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Finding the Fourth Proportional to 5,892, 8,131.15 and 3,239.60

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Solution

The fourth proportional to 5,892, 8,131.15 and 3,239.60 is: 4,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892 : 8,131.15 = 3,239.60 : x
  2. Step 2: Convert to fraction form
    5,892/8,131.15 = 3,239.60/x
  3. Step 3: Cross multiply
    5,892x = 8,131.15 × 3,239.60
  4. Step 4: Simplify right side
    5,892x = 26,341,673.54
  5. Step 5: Solve for x
    x = 26,341,673.54/5,892
  6. Step 6: Final answer
    x = 4,470.75

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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.