Home / 8,081.28-11,149.57-4,893.55

Finding the Fourth Proportional to 8,081.28, 11,149.57 and 4,893.55

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Solution

The fourth proportional to 8,081.28, 11,149.57 and 4,893.55 is: 6,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.28 : 11,149.57 = 4,893.55 : x
  2. Step 2: Convert to fraction form
    8,081.28/11,149.57 = 4,893.55/x
  3. Step 3: Cross multiply
    8,081.28x = 11,149.57 × 4,893.55
  4. Step 4: Simplify right side
    8,081.28x = 54,560,991.71
  5. Step 5: Solve for x
    x = 54,560,991.71/8,081.28
  6. Step 6: Final answer
    x = 6,751.53

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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.