Home / 5,575.60-8,363.40-5,153.20

Finding the Fourth Proportional to 5,575.60, 8,363.40 and 5,153.20

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Solution

The fourth proportional to 5,575.60, 8,363.40 and 5,153.20 is: 7,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.60 : 8,363.40 = 5,153.20 : x
  2. Step 2: Convert to fraction form
    5,575.60/8,363.40 = 5,153.20/x
  3. Step 3: Cross multiply
    5,575.60x = 8,363.40 × 5,153.20
  4. Step 4: Simplify right side
    5,575.60x = 43,098,272.88
  5. Step 5: Solve for x
    x = 43,098,272.88/5,575.60
  6. Step 6: Final answer
    x = 7,729.80

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Half 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.