Home / 6,144.66-9,218.25-2,195.55

Finding the Fourth Proportional to 6,144.66, 9,218.25 and 2,195.55

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Solution

The fourth proportional to 6,144.66, 9,218.25 and 2,195.55 is: 3,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.66 : 9,218.25 = 2,195.55 : x
  2. Step 2: Convert to fraction form
    6,144.66/9,218.25 = 2,195.55/x
  3. Step 3: Cross multiply
    6,144.66x = 9,218.25 × 2,195.55
  4. Step 4: Simplify right side
    6,144.66x = 20,239,128.79
  5. Step 5: Solve for x
    x = 20,239,128.79/6,144.66
  6. Step 6: Final answer
    x = 3,293.78

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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.