Home / 5,649.44-7,796.27-3,131.57

Finding the Fourth Proportional to 5,649.44, 7,796.27 and 3,131.57

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Solution

The fourth proportional to 5,649.44, 7,796.27 and 3,131.57 is: 4,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.44 : 7,796.27 = 3,131.57 : x
  2. Step 2: Convert to fraction form
    5,649.44/7,796.27 = 3,131.57/x
  3. Step 3: Cross multiply
    5,649.44x = 7,796.27 × 3,131.57
  4. Step 4: Simplify right side
    5,649.44x = 24,414,592.56
  5. Step 5: Solve for x
    x = 24,414,592.56/5,649.44
  6. Step 6: Final answer
    x = 4,321.60

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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.