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Finding the Fourth Proportional to 8,067.44, 12,057.90 and 7,274.99

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Solution

The fourth proportional to 8,067.44, 12,057.90 and 7,274.99 is: 10,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.44 : 12,057.90 = 7,274.99 : x
  2. Step 2: Convert to fraction form
    8,067.44/12,057.90 = 7,274.99/x
  3. Step 3: Cross multiply
    8,067.44x = 12,057.90 × 7,274.99
  4. Step 4: Simplify right side
    8,067.44x = 87,721,101.56
  5. Step 5: Solve for x
    x = 87,721,101.56/8,067.44
  6. Step 6: Final answer
    x = 10,873.48

Related Problems

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.