Home / 6,182.29-8,531.85-3,387.79

Finding the Fourth Proportional to 6,182.29, 8,531.85 and 3,387.79

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Solution

The fourth proportional to 6,182.29, 8,531.85 and 3,387.79 is: 4,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.29 : 8,531.85 = 3,387.79 : x
  2. Step 2: Convert to fraction form
    6,182.29/8,531.85 = 3,387.79/x
  3. Step 3: Cross multiply
    6,182.29x = 8,531.85 × 3,387.79
  4. Step 4: Simplify right side
    6,182.29x = 28,904,116.11
  5. Step 5: Solve for x
    x = 28,904,116.11/6,182.29
  6. Step 6: Final answer
    x = 4,675.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.