Home / 5,979.28-8,251.52-3,326.80

Finding the Fourth Proportional to 5,979.28, 8,251.52 and 3,326.80

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Solution

The fourth proportional to 5,979.28, 8,251.52 and 3,326.80 is: 4,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.28 : 8,251.52 = 3,326.80 : x
  2. Step 2: Convert to fraction form
    5,979.28/8,251.52 = 3,326.80/x
  3. Step 3: Cross multiply
    5,979.28x = 8,251.52 × 3,326.80
  4. Step 4: Simplify right side
    5,979.28x = 27,451,156.74
  5. Step 5: Solve for x
    x = 27,451,156.74/5,979.28
  6. Step 6: Final answer
    x = 4,591.05

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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.