Home / 5,076.25-7,614.42-1,998.25

Finding the Fourth Proportional to 5,076.25, 7,614.42 and 1,998.25

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Solution

The fourth proportional to 5,076.25, 7,614.42 and 1,998.25 is: 2,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.25 : 7,614.42 = 1,998.25 : x
  2. Step 2: Convert to fraction form
    5,076.25/7,614.42 = 1,998.25/x
  3. Step 3: Cross multiply
    5,076.25x = 7,614.42 × 1,998.25
  4. Step 4: Simplify right side
    5,076.25x = 15,215,514.77
  5. Step 5: Solve for x
    x = 15,215,514.77/5,076.25
  6. Step 6: Final answer
    x = 2,997.39

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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.