Home / 5,194.72-7,791.12-2,272.48

Finding the Fourth Proportional to 5,194.72, 7,791.12 and 2,272.48

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Solution

The fourth proportional to 5,194.72, 7,791.12 and 2,272.48 is: 3,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.72 : 7,791.12 = 2,272.48 : x
  2. Step 2: Convert to fraction form
    5,194.72/7,791.12 = 2,272.48/x
  3. Step 3: Cross multiply
    5,194.72x = 7,791.12 × 2,272.48
  4. Step 4: Simplify right side
    5,194.72x = 17,705,164.38
  5. Step 5: Solve for x
    x = 17,705,164.38/5,194.72
  6. Step 6: Final answer
    x = 3,408.30

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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.