Home / 5,627.88-7,766.48-3,270.18

Finding the Fourth Proportional to 5,627.88, 7,766.48 and 3,270.18

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Solution

The fourth proportional to 5,627.88, 7,766.48 and 3,270.18 is: 4,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.88 : 7,766.48 = 3,270.18 : x
  2. Step 2: Convert to fraction form
    5,627.88/7,766.48 = 3,270.18/x
  3. Step 3: Cross multiply
    5,627.88x = 7,766.48 × 3,270.18
  4. Step 4: Simplify right side
    5,627.88x = 25,397,787.57
  5. Step 5: Solve for x
    x = 25,397,787.57/5,627.88
  6. Step 6: Final answer
    x = 4,512.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.