Home / 8,824.38-13,236.57-3,561.78

Finding the Fourth Proportional to 8,824.38, 13,236.57 and 3,561.78

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Solution

The fourth proportional to 8,824.38, 13,236.57 and 3,561.78 is: 5,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.38 : 13,236.57 = 3,561.78 : x
  2. Step 2: Convert to fraction form
    8,824.38/13,236.57 = 3,561.78/x
  3. Step 3: Cross multiply
    8,824.38x = 13,236.57 × 3,561.78
  4. Step 4: Simplify right side
    8,824.38x = 47,145,750.29
  5. Step 5: Solve for x
    x = 47,145,750.29/8,824.38
  6. Step 6: Final answer
    x = 5,342.67

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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.