Home / 8,434.55-12,650.19-2,589.59

Finding the Fourth Proportional to 8,434.55, 12,650.19 and 2,589.59

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Solution

The fourth proportional to 8,434.55, 12,650.19 and 2,589.59 is: 3,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.55 : 12,650.19 = 2,589.59 : x
  2. Step 2: Convert to fraction form
    8,434.55/12,650.19 = 2,589.59/x
  3. Step 3: Cross multiply
    8,434.55x = 12,650.19 × 2,589.59
  4. Step 4: Simplify right side
    8,434.55x = 32,758,742.27
  5. Step 5: Solve for x
    x = 32,758,742.27/8,434.55
  6. Step 6: Final answer
    x = 3,883.88

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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.