Home / 5,649.44-7,796.24-3,131.60

Finding the Fourth Proportional to 5,649.44, 7,796.24 and 3,131.60

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Solution

The fourth proportional to 5,649.44, 7,796.24 and 3,131.60 is: 4,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.44 : 7,796.24 = 3,131.60 : x
  2. Step 2: Convert to fraction form
    5,649.44/7,796.24 = 3,131.60/x
  3. Step 3: Cross multiply
    5,649.44x = 7,796.24 × 3,131.60
  4. Step 4: Simplify right side
    5,649.44x = 24,414,674.03
  5. Step 5: Solve for x
    x = 24,414,674.03/5,649.44
  6. Step 6: Final answer
    x = 4,321.61

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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.