Home / 5,195.22-7,791.48-2,272.92

Finding the Fourth Proportional to 5,195.22, 7,791.48 and 2,272.92

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Solution

The fourth proportional to 5,195.22, 7,791.48 and 2,272.92 is: 3,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.22 : 7,791.48 = 2,272.92 : x
  2. Step 2: Convert to fraction form
    5,195.22/7,791.48 = 2,272.92/x
  3. Step 3: Cross multiply
    5,195.22x = 7,791.48 × 2,272.92
  4. Step 4: Simplify right side
    5,195.22x = 17,709,410.72
  5. Step 5: Solve for x
    x = 17,709,410.72/5,195.22
  6. Step 6: Final answer
    x = 3,408.79

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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.