Home / 4,079.41-6,110.87-2,689.31

Finding the Fourth Proportional to 4,079.41, 6,110.87 and 2,689.31

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Solution

The fourth proportional to 4,079.41, 6,110.87 and 2,689.31 is: 4,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.41 : 6,110.87 = 2,689.31 : x
  2. Step 2: Convert to fraction form
    4,079.41/6,110.87 = 2,689.31/x
  3. Step 3: Cross multiply
    4,079.41x = 6,110.87 × 2,689.31
  4. Step 4: Simplify right side
    4,079.41x = 16,434,023.80
  5. Step 5: Solve for x
    x = 16,434,023.80/4,079.41
  6. Step 6: Final answer
    x = 4,028.53

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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.