Home / 8,344.39-11,517.48-5,198.71

Finding the Fourth Proportional to 8,344.39, 11,517.48 and 5,198.71

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Solution

The fourth proportional to 8,344.39, 11,517.48 and 5,198.71 is: 7,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.39 : 11,517.48 = 5,198.71 : x
  2. Step 2: Convert to fraction form
    8,344.39/11,517.48 = 5,198.71/x
  3. Step 3: Cross multiply
    8,344.39x = 11,517.48 × 5,198.71
  4. Step 4: Simplify right side
    8,344.39x = 59,876,038.45
  5. Step 5: Solve for x
    x = 59,876,038.45/8,344.39
  6. Step 6: Final answer
    x = 7,175.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.