Home / 6,182-8,531.28-3,387.68

Finding the Fourth Proportional to 6,182, 8,531.28 and 3,387.68

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Solution

The fourth proportional to 6,182, 8,531.28 and 3,387.68 is: 4,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182 : 8,531.28 = 3,387.68 : x
  2. Step 2: Convert to fraction form
    6,182/8,531.28 = 3,387.68/x
  3. Step 3: Cross multiply
    6,182x = 8,531.28 × 3,387.68
  4. Step 4: Simplify right side
    6,182x = 28,901,246.63
  5. Step 5: Solve for x
    x = 28,901,246.63/6,182
  6. Step 6: Final answer
    x = 4,675.06

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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.