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Finding the Fourth Proportional to 7,163.52, 10,744.80 and 3,266.88

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Solution

The fourth proportional to 7,163.52, 10,744.80 and 3,266.88 is: 4,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.52 : 10,744.80 = 3,266.88 : x
  2. Step 2: Convert to fraction form
    7,163.52/10,744.80 = 3,266.88/x
  3. Step 3: Cross multiply
    7,163.52x = 10,744.80 × 3,266.88
  4. Step 4: Simplify right side
    7,163.52x = 35,101,972.22
  5. Step 5: Solve for x
    x = 35,101,972.22/7,163.52
  6. Step 6: Final answer
    x = 4,900.10

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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.