Home / 4,079.66-6,115.28-1,613.48

Finding the Fourth Proportional to 4,079.66, 6,115.28 and 1,613.48

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Solution

The fourth proportional to 4,079.66, 6,115.28 and 1,613.48 is: 2,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.66 : 6,115.28 = 1,613.48 : x
  2. Step 2: Convert to fraction form
    4,079.66/6,115.28 = 1,613.48/x
  3. Step 3: Cross multiply
    4,079.66x = 6,115.28 × 1,613.48
  4. Step 4: Simplify right side
    4,079.66x = 9,866,881.97
  5. Step 5: Solve for x
    x = 9,866,881.97/4,079.66
  6. Step 6: Final answer
    x = 2,418.55

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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.