Home / 5,249.78-7,244.60-2,892.14

Finding the Fourth Proportional to 5,249.78, 7,244.60 and 2,892.14

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Solution

The fourth proportional to 5,249.78, 7,244.60 and 2,892.14 is: 3,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.78 : 7,244.60 = 2,892.14 : x
  2. Step 2: Convert to fraction form
    5,249.78/7,244.60 = 2,892.14/x
  3. Step 3: Cross multiply
    5,249.78x = 7,244.60 × 2,892.14
  4. Step 4: Simplify right side
    5,249.78x = 20,952,397.44
  5. Step 5: Solve for x
    x = 20,952,397.44/5,249.78
  6. Step 6: Final answer
    x = 3,991.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.