Home / 4,205.38-6,310.68-2,855.92

Finding the Fourth Proportional to 4,205.38, 6,310.68 and 2,855.92

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Solution

The fourth proportional to 4,205.38, 6,310.68 and 2,855.92 is: 4,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.38 : 6,310.68 = 2,855.92 : x
  2. Step 2: Convert to fraction form
    4,205.38/6,310.68 = 2,855.92/x
  3. Step 3: Cross multiply
    4,205.38x = 6,310.68 × 2,855.92
  4. Step 4: Simplify right side
    4,205.38x = 18,022,797.23
  5. Step 5: Solve for x
    x = 18,022,797.23/4,205.38
  6. Step 6: Final answer
    x = 4,285.65

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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.