Home / 4,949.28-6,830.97-3,270.78

Finding the Fourth Proportional to 4,949.28, 6,830.97 and 3,270.78

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Solution

The fourth proportional to 4,949.28, 6,830.97 and 3,270.78 is: 4,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.28 : 6,830.97 = 3,270.78 : x
  2. Step 2: Convert to fraction form
    4,949.28/6,830.97 = 3,270.78/x
  3. Step 3: Cross multiply
    4,949.28x = 6,830.97 × 3,270.78
  4. Step 4: Simplify right side
    4,949.28x = 22,342,600.06
  5. Step 5: Solve for x
    x = 22,342,600.06/4,949.28
  6. Step 6: Final answer
    x = 4,514.31

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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.