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Finding the Fourth Proportional to 6,882.86, 9,498.92 and 4,230.92

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Solution

The fourth proportional to 6,882.86, 9,498.92 and 4,230.92 is: 5,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.86 : 9,498.92 = 4,230.92 : x
  2. Step 2: Convert to fraction form
    6,882.86/9,498.92 = 4,230.92/x
  3. Step 3: Cross multiply
    6,882.86x = 9,498.92 × 4,230.92
  4. Step 4: Simplify right side
    6,882.86x = 40,189,101.96
  5. Step 5: Solve for x
    x = 40,189,101.96/6,882.86
  6. Step 6: Final answer
    x = 5,839.02

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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.