Home / 4,482.20-6,721.50-2,633.78

Finding the Fourth Proportional to 4,482.20, 6,721.50 and 2,633.78

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Solution

The fourth proportional to 4,482.20, 6,721.50 and 2,633.78 is: 3,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.20 : 6,721.50 = 2,633.78 : x
  2. Step 2: Convert to fraction form
    4,482.20/6,721.50 = 2,633.78/x
  3. Step 3: Cross multiply
    4,482.20x = 6,721.50 × 2,633.78
  4. Step 4: Simplify right side
    4,482.20x = 17,702,952.27
  5. Step 5: Solve for x
    x = 17,702,952.27/4,482.20
  6. Step 6: Final answer
    x = 3,949.61

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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.