Home / 8,680.14-13,016.30-2,755.35

Finding the Fourth Proportional to 8,680.14, 13,016.30 and 2,755.35

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Solution

The fourth proportional to 8,680.14, 13,016.30 and 2,755.35 is: 4,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.14 : 13,016.30 = 2,755.35 : x
  2. Step 2: Convert to fraction form
    8,680.14/13,016.30 = 2,755.35/x
  3. Step 3: Cross multiply
    8,680.14x = 13,016.30 × 2,755.35
  4. Step 4: Simplify right side
    8,680.14x = 35,864,462.21
  5. Step 5: Solve for x
    x = 35,864,462.21/8,680.14
  6. Step 6: Final answer
    x = 4,131.78

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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.