Home / 3,992.20-6,001.26-3,972.76

Finding the Fourth Proportional to 3,992.20, 6,001.26 and 3,972.76

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Solution

The fourth proportional to 3,992.20, 6,001.26 and 3,972.76 is: 5,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.20 : 6,001.26 = 3,972.76 : x
  2. Step 2: Convert to fraction form
    3,992.20/6,001.26 = 3,972.76/x
  3. Step 3: Cross multiply
    3,992.20x = 6,001.26 × 3,972.76
  4. Step 4: Simplify right side
    3,992.20x = 23,841,565.68
  5. Step 5: Solve for x
    x = 23,841,565.68/3,992.20
  6. Step 6: Final answer
    x = 5,972.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.