Home / 5,499.60-8,249.40-2,427.60

Finding the Fourth Proportional to 5,499.60, 8,249.40 and 2,427.60

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Solution

The fourth proportional to 5,499.60, 8,249.40 and 2,427.60 is: 3,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.60 : 8,249.40 = 2,427.60 : x
  2. Step 2: Convert to fraction form
    5,499.60/8,249.40 = 2,427.60/x
  3. Step 3: Cross multiply
    5,499.60x = 8,249.40 × 2,427.60
  4. Step 4: Simplify right side
    5,499.60x = 20,026,243.44
  5. Step 5: Solve for x
    x = 20,026,243.44/5,499.60
  6. Step 6: Final answer
    x = 3,641.40

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