Home / 4,489.22-6,732.97-2,638.18

Finding the Fourth Proportional to 4,489.22, 6,732.97 and 2,638.18

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Solution

The fourth proportional to 4,489.22, 6,732.97 and 2,638.18 is: 3,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.22 : 6,732.97 = 2,638.18 : x
  2. Step 2: Convert to fraction form
    4,489.22/6,732.97 = 2,638.18/x
  3. Step 3: Cross multiply
    4,489.22x = 6,732.97 × 2,638.18
  4. Step 4: Simplify right side
    4,489.22x = 17,762,756.64
  5. Step 5: Solve for x
    x = 17,762,756.64/4,489.22
  6. Step 6: Final answer
    x = 3,956.75

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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.