Home / 4,067.28-6,100.20-1,145.57

Finding the Fourth Proportional to 4,067.28, 6,100.20 and 1,145.57

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Solution

The fourth proportional to 4,067.28, 6,100.20 and 1,145.57 is: 1,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.28 : 6,100.20 = 1,145.57 : x
  2. Step 2: Convert to fraction form
    4,067.28/6,100.20 = 1,145.57/x
  3. Step 3: Cross multiply
    4,067.28x = 6,100.20 × 1,145.57
  4. Step 4: Simplify right side
    4,067.28x = 6,988,175.61
  5. Step 5: Solve for x
    x = 6,988,175.61/4,067.28
  6. Step 6: Final answer
    x = 1,718.14

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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.