Home / 4,824.62-6,657.78-2,728.78

Finding the Fourth Proportional to 4,824.62, 6,657.78 and 2,728.78

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Solution

The fourth proportional to 4,824.62, 6,657.78 and 2,728.78 is: 3,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.62 : 6,657.78 = 2,728.78 : x
  2. Step 2: Convert to fraction form
    4,824.62/6,657.78 = 2,728.78/x
  3. Step 3: Cross multiply
    4,824.62x = 6,657.78 × 2,728.78
  4. Step 4: Simplify right side
    4,824.62x = 18,167,616.91
  5. Step 5: Solve for x
    x = 18,167,616.91/4,824.62
  6. Step 6: Final answer
    x = 3,765.61

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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.