Home / 5,195.90-7,791.08-2,270.78

Finding the Fourth Proportional to 5,195.90, 7,791.08 and 2,270.78

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Solution

The fourth proportional to 5,195.90, 7,791.08 and 2,270.78 is: 3,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.90 : 7,791.08 = 2,270.78 : x
  2. Step 2: Convert to fraction form
    5,195.90/7,791.08 = 2,270.78/x
  3. Step 3: Cross multiply
    5,195.90x = 7,791.08 × 2,270.78
  4. Step 4: Simplify right side
    5,195.90x = 17,691,828.64
  5. Step 5: Solve for x
    x = 17,691,828.64/5,195.90
  6. Step 6: Final answer
    x = 3,404.96

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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.