Home / 4,449.24-6,659.40-3,278.78

Finding the Fourth Proportional to 4,449.24, 6,659.40 and 3,278.78

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Solution

The fourth proportional to 4,449.24, 6,659.40 and 3,278.78 is: 4,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.24 : 6,659.40 = 3,278.78 : x
  2. Step 2: Convert to fraction form
    4,449.24/6,659.40 = 3,278.78/x
  3. Step 3: Cross multiply
    4,449.24x = 6,659.40 × 3,278.78
  4. Step 4: Simplify right side
    4,449.24x = 21,834,707.53
  5. Step 5: Solve for x
    x = 21,834,707.53/4,449.24
  6. Step 6: Final answer
    x = 4,907.51

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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.