Home / 8,289.38-12,434.34-2,743.04

Finding the Fourth Proportional to 8,289.38, 12,434.34 and 2,743.04

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Solution

The fourth proportional to 8,289.38, 12,434.34 and 2,743.04 is: 4,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.38 : 12,434.34 = 2,743.04 : x
  2. Step 2: Convert to fraction form
    8,289.38/12,434.34 = 2,743.04/x
  3. Step 3: Cross multiply
    8,289.38x = 12,434.34 × 2,743.04
  4. Step 4: Simplify right side
    8,289.38x = 34,107,891.99
  5. Step 5: Solve for x
    x = 34,107,891.99/8,289.38
  6. Step 6: Final answer
    x = 4,114.65

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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.