Home / 6,638.76-9,959.22-2,256.12

Finding the Fourth Proportional to 6,638.76, 9,959.22 and 2,256.12

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Solution

The fourth proportional to 6,638.76, 9,959.22 and 2,256.12 is: 3,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.76 : 9,959.22 = 2,256.12 : x
  2. Step 2: Convert to fraction form
    6,638.76/9,959.22 = 2,256.12/x
  3. Step 3: Cross multiply
    6,638.76x = 9,959.22 × 2,256.12
  4. Step 4: Simplify right side
    6,638.76x = 22,469,195.43
  5. Step 5: Solve for x
    x = 22,469,195.43/6,638.76
  6. Step 6: Final answer
    x = 3,384.55

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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.