Home / 5,517.24-8,278.32-2,236.76

Finding the Fourth Proportional to 5,517.24, 8,278.32 and 2,236.76

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Solution

The fourth proportional to 5,517.24, 8,278.32 and 2,236.76 is: 3,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.24 : 8,278.32 = 2,236.76 : x
  2. Step 2: Convert to fraction form
    5,517.24/8,278.32 = 2,236.76/x
  3. Step 3: Cross multiply
    5,517.24x = 8,278.32 × 2,236.76
  4. Step 4: Simplify right side
    5,517.24x = 18,516,615.04
  5. Step 5: Solve for x
    x = 18,516,615.04/5,517.24
  6. Step 6: Final answer
    x = 3,356.14

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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.