Home / 5,519.90-8,279.85-2,233.02

Finding the Fourth Proportional to 5,519.90, 8,279.85 and 2,233.02

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Solution

The fourth proportional to 5,519.90, 8,279.85 and 2,233.02 is: 3,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.90 : 8,279.85 = 2,233.02 : x
  2. Step 2: Convert to fraction form
    5,519.90/8,279.85 = 2,233.02/x
  3. Step 3: Cross multiply
    5,519.90x = 8,279.85 × 2,233.02
  4. Step 4: Simplify right side
    5,519.90x = 18,489,059.48
  5. Step 5: Solve for x
    x = 18,489,059.48/5,519.90
  6. Step 6: Final answer
    x = 3,349.53

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Half scale
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Double scale
Find fourth proportional to 5,520.90, 8,281.35 and 2,234.02
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.