Home / 5,979.69-8,251.56-3,327.21

Finding the Fourth Proportional to 5,979.69, 8,251.56 and 3,327.21

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Solution

The fourth proportional to 5,979.69, 8,251.56 and 3,327.21 is: 4,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.69 : 8,251.56 = 3,327.21 : x
  2. Step 2: Convert to fraction form
    5,979.69/8,251.56 = 3,327.21/x
  3. Step 3: Cross multiply
    5,979.69x = 8,251.56 × 3,327.21
  4. Step 4: Simplify right side
    5,979.69x = 27,454,672.95
  5. Step 5: Solve for x
    x = 27,454,672.95/5,979.69
  6. Step 6: Final answer
    x = 4,591.32

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Half scale
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Double scale
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Similar ratio
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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.