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Finding the Fourth Proportional to 5,552.88, 7,662.48 and 3,194.88

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Solution

The fourth proportional to 5,552.88, 7,662.48 and 3,194.88 is: 4,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.88 : 7,662.48 = 3,194.88 : x
  2. Step 2: Convert to fraction form
    5,552.88/7,662.48 = 3,194.88/x
  3. Step 3: Cross multiply
    5,552.88x = 7,662.48 × 3,194.88
  4. Step 4: Simplify right side
    5,552.88x = 24,480,704.10
  5. Step 5: Solve for x
    x = 24,480,704.10/5,552.88
  6. Step 6: Final answer
    x = 4,408.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.