Home / 6,182.18-8,531.45-3,387.78

Finding the Fourth Proportional to 6,182.18, 8,531.45 and 3,387.78

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Solution

The fourth proportional to 6,182.18, 8,531.45 and 3,387.78 is: 4,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.18 : 8,531.45 = 3,387.78 : x
  2. Step 2: Convert to fraction form
    6,182.18/8,531.45 = 3,387.78/x
  3. Step 3: Cross multiply
    6,182.18x = 8,531.45 × 3,387.78
  4. Step 4: Simplify right side
    6,182.18x = 28,902,675.68
  5. Step 5: Solve for x
    x = 28,902,675.68/6,182.18
  6. Step 6: Final answer
    x = 4,675.16

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1.5x scale

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.