Home / 5,144.19-7,716.29-1,248.57

Finding the Fourth Proportional to 5,144.19, 7,716.29 and 1,248.57

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Solution

The fourth proportional to 5,144.19, 7,716.29 and 1,248.57 is: 1,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.19 : 7,716.29 = 1,248.57 : x
  2. Step 2: Convert to fraction form
    5,144.19/7,716.29 = 1,248.57/x
  3. Step 3: Cross multiply
    5,144.19x = 7,716.29 × 1,248.57
  4. Step 4: Simplify right side
    5,144.19x = 9,634,321.96
  5. Step 5: Solve for x
    x = 9,634,321.96/5,144.19
  6. Step 6: Final answer
    x = 1,872.86

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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.