Home / 8,116.94-11,198.72-4,531.30

Finding the Fourth Proportional to 8,116.94, 11,198.72 and 4,531.30

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Solution

The fourth proportional to 8,116.94, 11,198.72 and 4,531.30 is: 6,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.94 : 11,198.72 = 4,531.30 : x
  2. Step 2: Convert to fraction form
    8,116.94/11,198.72 = 4,531.30/x
  3. Step 3: Cross multiply
    8,116.94x = 11,198.72 × 4,531.30
  4. Step 4: Simplify right side
    8,116.94x = 50,744,759.94
  5. Step 5: Solve for x
    x = 50,744,759.94/8,116.94
  6. Step 6: Final answer
    x = 6,251.71

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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.