Home / 6,638.27-9,958.49-2,479.73

Finding the Fourth Proportional to 6,638.27, 9,958.49 and 2,479.73

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Solution

The fourth proportional to 6,638.27, 9,958.49 and 2,479.73 is: 3,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.27 : 9,958.49 = 2,479.73 : x
  2. Step 2: Convert to fraction form
    6,638.27/9,958.49 = 2,479.73/x
  3. Step 3: Cross multiply
    6,638.27x = 9,958.49 × 2,479.73
  4. Step 4: Simplify right side
    6,638.27x = 24,694,354.01
  5. Step 5: Solve for x
    x = 24,694,354.01/6,638.27
  6. Step 6: Final answer
    x = 3,720.00

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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.