Home / 4,285.26-6,429.11-2,206.78

Finding the Fourth Proportional to 4,285.26, 6,429.11 and 2,206.78

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Solution

The fourth proportional to 4,285.26, 6,429.11 and 2,206.78 is: 3,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.26 : 6,429.11 = 2,206.78 : x
  2. Step 2: Convert to fraction form
    4,285.26/6,429.11 = 2,206.78/x
  3. Step 3: Cross multiply
    4,285.26x = 6,429.11 × 2,206.78
  4. Step 4: Simplify right side
    4,285.26x = 14,187,604.26
  5. Step 5: Solve for x
    x = 14,187,604.26/4,285.26
  6. Step 6: Final answer
    x = 3,310.79

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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.