Home / 8,753.82-13,126.86-2,512.39

Finding the Fourth Proportional to 8,753.82, 13,126.86 and 2,512.39

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Solution

The fourth proportional to 8,753.82, 13,126.86 and 2,512.39 is: 3,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.82 : 13,126.86 = 2,512.39 : x
  2. Step 2: Convert to fraction form
    8,753.82/13,126.86 = 2,512.39/x
  3. Step 3: Cross multiply
    8,753.82x = 13,126.86 × 2,512.39
  4. Step 4: Simplify right side
    8,753.82x = 32,979,731.22
  5. Step 5: Solve for x
    x = 32,979,731.22/8,753.82
  6. Step 6: Final answer
    x = 3,767.47

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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.