Home / 8,818.38-13,227.57-3,555.78

Finding the Fourth Proportional to 8,818.38, 13,227.57 and 3,555.78

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Solution

The fourth proportional to 8,818.38, 13,227.57 and 3,555.78 is: 5,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.38 : 13,227.57 = 3,555.78 : x
  2. Step 2: Convert to fraction form
    8,818.38/13,227.57 = 3,555.78/x
  3. Step 3: Cross multiply
    8,818.38x = 13,227.57 × 3,555.78
  4. Step 4: Simplify right side
    8,818.38x = 47,034,328.85
  5. Step 5: Solve for x
    x = 47,034,328.85/8,818.38
  6. Step 6: Final answer
    x = 5,333.67

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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.