Home / 5,255.36-7,883.82-1,791.80

Finding the Fourth Proportional to 5,255.36, 7,883.82 and 1,791.80

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Solution

The fourth proportional to 5,255.36, 7,883.82 and 1,791.80 is: 2,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.36 : 7,883.82 = 1,791.80 : x
  2. Step 2: Convert to fraction form
    5,255.36/7,883.82 = 1,791.80/x
  3. Step 3: Cross multiply
    5,255.36x = 7,883.82 × 1,791.80
  4. Step 4: Simplify right side
    5,255.36x = 14,126,228.68
  5. Step 5: Solve for x
    x = 14,126,228.68/5,255.36
  6. Step 6: Final answer
    x = 2,687.97

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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.