Home / 5,170.44-7,755.57-1,274.85

Finding the Fourth Proportional to 5,170.44, 7,755.57 and 1,274.85

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Solution

The fourth proportional to 5,170.44, 7,755.57 and 1,274.85 is: 1,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.44 : 7,755.57 = 1,274.85 : x
  2. Step 2: Convert to fraction form
    5,170.44/7,755.57 = 1,274.85/x
  3. Step 3: Cross multiply
    5,170.44x = 7,755.57 × 1,274.85
  4. Step 4: Simplify right side
    5,170.44x = 9,887,188.41
  5. Step 5: Solve for x
    x = 9,887,188.41/5,170.44
  6. Step 6: Final answer
    x = 1,912.25

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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.