Home / 7,638.06-11,449.20-4,517.43

Finding the Fourth Proportional to 7,638.06, 11,449.20 and 4,517.43

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Solution

The fourth proportional to 7,638.06, 11,449.20 and 4,517.43 is: 6,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.06 : 11,449.20 = 4,517.43 : x
  2. Step 2: Convert to fraction form
    7,638.06/11,449.20 = 4,517.43/x
  3. Step 3: Cross multiply
    7,638.06x = 11,449.20 × 4,517.43
  4. Step 4: Simplify right side
    7,638.06x = 51,720,959.56
  5. Step 5: Solve for x
    x = 51,720,959.56/7,638.06
  6. Step 6: Final answer
    x = 6,771.48

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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.