Home / 5,144.75-7,716.33-1,634.30

Finding the Fourth Proportional to 5,144.75, 7,716.33 and 1,634.30

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Solution

The fourth proportional to 5,144.75, 7,716.33 and 1,634.30 is: 2,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.75 : 7,716.33 = 1,634.30 : x
  2. Step 2: Convert to fraction form
    5,144.75/7,716.33 = 1,634.30/x
  3. Step 3: Cross multiply
    5,144.75x = 7,716.33 × 1,634.30
  4. Step 4: Simplify right side
    5,144.75x = 12,610,793.66
  5. Step 5: Solve for x
    x = 12,610,793.66/5,144.75
  6. Step 6: Final answer
    x = 2,451.19

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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.