Home / 4,474.42-6,708.57-2,278.90

Finding the Fourth Proportional to 4,474.42, 6,708.57 and 2,278.90

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Solution

The fourth proportional to 4,474.42, 6,708.57 and 2,278.90 is: 3,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.42 : 6,708.57 = 2,278.90 : x
  2. Step 2: Convert to fraction form
    4,474.42/6,708.57 = 2,278.90/x
  3. Step 3: Cross multiply
    4,474.42x = 6,708.57 × 2,278.90
  4. Step 4: Simplify right side
    4,474.42x = 15,288,160.17
  5. Step 5: Solve for x
    x = 15,288,160.17/4,474.42
  6. Step 6: Final answer
    x = 3,416.79

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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.