Home / 8,236.26-12,352.82-2,689.79

Finding the Fourth Proportional to 8,236.26, 12,352.82 and 2,689.79

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Solution

The fourth proportional to 8,236.26, 12,352.82 and 2,689.79 is: 4,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.26 : 12,352.82 = 2,689.79 : x
  2. Step 2: Convert to fraction form
    8,236.26/12,352.82 = 2,689.79/x
  3. Step 3: Cross multiply
    8,236.26x = 12,352.82 × 2,689.79
  4. Step 4: Simplify right side
    8,236.26x = 33,226,416.49
  5. Step 5: Solve for x
    x = 33,226,416.49/8,236.26
  6. Step 6: Final answer
    x = 4,034.16

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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.