Home / 6,747.15-10,121.40-2,067.11

Finding the Fourth Proportional to 6,747.15, 10,121.40 and 2,067.11

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Solution

The fourth proportional to 6,747.15, 10,121.40 and 2,067.11 is: 3,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.15 : 10,121.40 = 2,067.11 : x
  2. Step 2: Convert to fraction form
    6,747.15/10,121.40 = 2,067.11/x
  3. Step 3: Cross multiply
    6,747.15x = 10,121.40 × 2,067.11
  4. Step 4: Simplify right side
    6,747.15x = 20,922,042.25
  5. Step 5: Solve for x
    x = 20,922,042.25/6,747.15
  6. Step 6: Final answer
    x = 3,100.87

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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.