Home / 8,080.03-11,149.68-4,543.57

Finding the Fourth Proportional to 8,080.03, 11,149.68 and 4,543.57

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Solution

The fourth proportional to 8,080.03, 11,149.68 and 4,543.57 is: 6,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.03 : 11,149.68 = 4,543.57 : x
  2. Step 2: Convert to fraction form
    8,080.03/11,149.68 = 4,543.57/x
  3. Step 3: Cross multiply
    8,080.03x = 11,149.68 × 4,543.57
  4. Step 4: Simplify right side
    8,080.03x = 50,659,351.56
  5. Step 5: Solve for x
    x = 50,659,351.56/8,080.03
  6. Step 6: Final answer
    x = 6,269.70

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Half scale
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Double scale
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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.