Home / 4,255.54-6,380.98-2,378.57

Finding the Fourth Proportional to 4,255.54, 6,380.98 and 2,378.57

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Solution

The fourth proportional to 4,255.54, 6,380.98 and 2,378.57 is: 3,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.54 : 6,380.98 = 2,378.57 : x
  2. Step 2: Convert to fraction form
    4,255.54/6,380.98 = 2,378.57/x
  3. Step 3: Cross multiply
    4,255.54x = 6,380.98 × 2,378.57
  4. Step 4: Simplify right side
    4,255.54x = 15,177,569.75
  5. Step 5: Solve for x
    x = 15,177,569.75/4,255.54
  6. Step 6: Final answer
    x = 3,566.55

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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.