Home / 5,252.22-7,859.84-3,278.78

Finding the Fourth Proportional to 5,252.22, 7,859.84 and 3,278.78

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Solution

The fourth proportional to 5,252.22, 7,859.84 and 3,278.78 is: 4,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.22 : 7,859.84 = 3,278.78 : x
  2. Step 2: Convert to fraction form
    5,252.22/7,859.84 = 3,278.78/x
  3. Step 3: Cross multiply
    5,252.22x = 7,859.84 × 3,278.78
  4. Step 4: Simplify right side
    5,252.22x = 25,770,686.20
  5. Step 5: Solve for x
    x = 25,770,686.20/5,252.22
  6. Step 6: Final answer
    x = 4,906.63

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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.