Home / 4,278.06-6,404.94-3,306.06

Finding the Fourth Proportional to 4,278.06, 6,404.94 and 3,306.06

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Solution

The fourth proportional to 4,278.06, 6,404.94 and 3,306.06 is: 4,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.06 : 6,404.94 = 3,306.06 : x
  2. Step 2: Convert to fraction form
    4,278.06/6,404.94 = 3,306.06/x
  3. Step 3: Cross multiply
    4,278.06x = 6,404.94 × 3,306.06
  4. Step 4: Simplify right side
    4,278.06x = 21,175,115.94
  5. Step 5: Solve for x
    x = 21,175,115.94/4,278.06
  6. Step 6: Final answer
    x = 4,949.70

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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.