Home / 7,327.20-10,995.30-3,169.20

Finding the Fourth Proportional to 7,327.20, 10,995.30 and 3,169.20

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Solution

The fourth proportional to 7,327.20, 10,995.30 and 3,169.20 is: 4,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.20 : 10,995.30 = 3,169.20 : x
  2. Step 2: Convert to fraction form
    7,327.20/10,995.30 = 3,169.20/x
  3. Step 3: Cross multiply
    7,327.20x = 10,995.30 × 3,169.20
  4. Step 4: Simplify right side
    7,327.20x = 34,846,304.76
  5. Step 5: Solve for x
    x = 34,846,304.76/7,327.20
  6. Step 6: Final answer
    x = 4,755.75

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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.