Home / 7,452.30-11,178.45-4,499.85

Finding the Fourth Proportional to 7,452.30, 11,178.45 and 4,499.85

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Solution

The fourth proportional to 7,452.30, 11,178.45 and 4,499.85 is: 6,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.30 : 11,178.45 = 4,499.85 : x
  2. Step 2: Convert to fraction form
    7,452.30/11,178.45 = 4,499.85/x
  3. Step 3: Cross multiply
    7,452.30x = 11,178.45 × 4,499.85
  4. Step 4: Simplify right side
    7,452.30x = 50,301,348.23
  5. Step 5: Solve for x
    x = 50,301,348.23/7,452.30
  6. Step 6: Final answer
    x = 6,749.78

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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.