Home / 5,385.38-8,082.12-2,096.65

Finding the Fourth Proportional to 5,385.38, 8,082.12 and 2,096.65

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Solution

The fourth proportional to 5,385.38, 8,082.12 and 2,096.65 is: 3,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.38 : 8,082.12 = 2,096.65 : x
  2. Step 2: Convert to fraction form
    5,385.38/8,082.12 = 2,096.65/x
  3. Step 3: Cross multiply
    5,385.38x = 8,082.12 × 2,096.65
  4. Step 4: Simplify right side
    5,385.38x = 16,945,336.49
  5. Step 5: Solve for x
    x = 16,945,336.49/5,385.38
  6. Step 6: Final answer
    x = 3,146.54

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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.