Home / 7,163.28-10,744.11-1,968.75

Finding the Fourth Proportional to 7,163.28, 10,744.11 and 1,968.75

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Solution

The fourth proportional to 7,163.28, 10,744.11 and 1,968.75 is: 2,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.28 : 10,744.11 = 1,968.75 : x
  2. Step 2: Convert to fraction form
    7,163.28/10,744.11 = 1,968.75/x
  3. Step 3: Cross multiply
    7,163.28x = 10,744.11 × 1,968.75
  4. Step 4: Simplify right side
    7,163.28x = 21,152,466.56
  5. Step 5: Solve for x
    x = 21,152,466.56/7,163.28
  6. Step 6: Final answer
    x = 2,952.90

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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.