Home / 5,589.20-8,383.80-3,398.60

Finding the Fourth Proportional to 5,589.20, 8,383.80 and 3,398.60

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Solution

The fourth proportional to 5,589.20, 8,383.80 and 3,398.60 is: 5,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.20 : 8,383.80 = 3,398.60 : x
  2. Step 2: Convert to fraction form
    5,589.20/8,383.80 = 3,398.60/x
  3. Step 3: Cross multiply
    5,589.20x = 8,383.80 × 3,398.60
  4. Step 4: Simplify right side
    5,589.20x = 28,493,182.68
  5. Step 5: Solve for x
    x = 28,493,182.68/5,589.20
  6. Step 6: Final answer
    x = 5,097.90

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Similar ratio
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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.