Home / 5,979.20-8,961.48-3,376.70

Finding the Fourth Proportional to 5,979.20, 8,961.48 and 3,376.70

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Solution

The fourth proportional to 5,979.20, 8,961.48 and 3,376.70 is: 5,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.20 : 8,961.48 = 3,376.70 : x
  2. Step 2: Convert to fraction form
    5,979.20/8,961.48 = 3,376.70/x
  3. Step 3: Cross multiply
    5,979.20x = 8,961.48 × 3,376.70
  4. Step 4: Simplify right side
    5,979.20x = 30,260,229.52
  5. Step 5: Solve for x
    x = 30,260,229.52/5,979.20
  6. Step 6: Final answer
    x = 5,060.92

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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.