Home / 8,080.57-11,150.29-4,543.71

Finding the Fourth Proportional to 8,080.57, 11,150.29 and 4,543.71

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Solution

The fourth proportional to 8,080.57, 11,150.29 and 4,543.71 is: 6,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.57 : 11,150.29 = 4,543.71 : x
  2. Step 2: Convert to fraction form
    8,080.57/11,150.29 = 4,543.71/x
  3. Step 3: Cross multiply
    8,080.57x = 11,150.29 × 4,543.71
  4. Step 4: Simplify right side
    8,080.57x = 50,663,684.18
  5. Step 5: Solve for x
    x = 50,663,684.18/8,080.57
  6. Step 6: Final answer
    x = 6,269.82

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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.