Home / 5,486.60-8,229.90-4,393.10

Finding the Fourth Proportional to 5,486.60, 8,229.90 and 4,393.10

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Solution

The fourth proportional to 5,486.60, 8,229.90 and 4,393.10 is: 6,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.60 : 8,229.90 = 4,393.10 : x
  2. Step 2: Convert to fraction form
    5,486.60/8,229.90 = 4,393.10/x
  3. Step 3: Cross multiply
    5,486.60x = 8,229.90 × 4,393.10
  4. Step 4: Simplify right side
    5,486.60x = 36,154,773.69
  5. Step 5: Solve for x
    x = 36,154,773.69/5,486.60
  6. Step 6: Final answer
    x = 6,589.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.