Home / 5,172.75-7,759.83-2,400.15

Finding the Fourth Proportional to 5,172.75, 7,759.83 and 2,400.15

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Solution

The fourth proportional to 5,172.75, 7,759.83 and 2,400.15 is: 3,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.75 : 7,759.83 = 2,400.15 : x
  2. Step 2: Convert to fraction form
    5,172.75/7,759.83 = 2,400.15/x
  3. Step 3: Cross multiply
    5,172.75x = 7,759.83 × 2,400.15
  4. Step 4: Simplify right side
    5,172.75x = 18,624,755.97
  5. Step 5: Solve for x
    x = 18,624,755.97/5,172.75
  6. Step 6: Final answer
    x = 3,600.55

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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.