Home / 8,523.38-12,786.28-2,680.44

Finding the Fourth Proportional to 8,523.38, 12,786.28 and 2,680.44

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Solution

The fourth proportional to 8,523.38, 12,786.28 and 2,680.44 is: 4,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.38 : 12,786.28 = 2,680.44 : x
  2. Step 2: Convert to fraction form
    8,523.38/12,786.28 = 2,680.44/x
  3. Step 3: Cross multiply
    8,523.38x = 12,786.28 × 2,680.44
  4. Step 4: Simplify right side
    8,523.38x = 34,272,856.36
  5. Step 5: Solve for x
    x = 34,272,856.36/8,523.38
  6. Step 6: Final answer
    x = 4,021.04

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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.