Home / 8,080.39-12,120.59-2,534.22

Finding the Fourth Proportional to 8,080.39, 12,120.59 and 2,534.22

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Solution

The fourth proportional to 8,080.39, 12,120.59 and 2,534.22 is: 3,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.39 : 12,120.59 = 2,534.22 : x
  2. Step 2: Convert to fraction form
    8,080.39/12,120.59 = 2,534.22/x
  3. Step 3: Cross multiply
    8,080.39x = 12,120.59 × 2,534.22
  4. Step 4: Simplify right side
    8,080.39x = 30,716,241.59
  5. Step 5: Solve for x
    x = 30,716,241.59/8,080.39
  6. Step 6: Final answer
    x = 3,801.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.