Home / 8,344.09-12,517.51-3,959.15

Finding the Fourth Proportional to 8,344.09, 12,517.51 and 3,959.15

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Solution

The fourth proportional to 8,344.09, 12,517.51 and 3,959.15 is: 5,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.09 : 12,517.51 = 3,959.15 : x
  2. Step 2: Convert to fraction form
    8,344.09/12,517.51 = 3,959.15/x
  3. Step 3: Cross multiply
    8,344.09x = 12,517.51 × 3,959.15
  4. Step 4: Simplify right side
    8,344.09x = 49,558,699.72
  5. Step 5: Solve for x
    x = 49,558,699.72/8,344.09
  6. Step 6: Final answer
    x = 5,939.38

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1.5x scale

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.