Home / 9,179.40-12,662.26-5,452.68

Finding the Fourth Proportional to 9,179.40, 12,662.26 and 5,452.68

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Solution

The fourth proportional to 9,179.40, 12,662.26 and 5,452.68 is: 7,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.40 : 12,662.26 = 5,452.68 : x
  2. Step 2: Convert to fraction form
    9,179.40/12,662.26 = 5,452.68/x
  3. Step 3: Cross multiply
    9,179.40x = 12,662.26 × 5,452.68
  4. Step 4: Simplify right side
    9,179.40x = 69,043,251.86
  5. Step 5: Solve for x
    x = 69,043,251.86/9,179.40
  6. Step 6: Final answer
    x = 7,521.54

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.