Home / 6,081.52-9,122.76-1,921.85

Finding the Fourth Proportional to 6,081.52, 9,122.76 and 1,921.85

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Solution

The fourth proportional to 6,081.52, 9,122.76 and 1,921.85 is: 2,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.52 : 9,122.76 = 1,921.85 : x
  2. Step 2: Convert to fraction form
    6,081.52/9,122.76 = 1,921.85/x
  3. Step 3: Cross multiply
    6,081.52x = 9,122.76 × 1,921.85
  4. Step 4: Simplify right side
    6,081.52x = 17,532,530.69
  5. Step 5: Solve for x
    x = 17,532,530.69/6,081.52
  6. Step 6: Final answer
    x = 2,882.92

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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.