Home / 7,327.40-10,991.20-2,650.76

Finding the Fourth Proportional to 7,327.40, 10,991.20 and 2,650.76

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Solution

The fourth proportional to 7,327.40, 10,991.20 and 2,650.76 is: 3,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.40 : 10,991.20 = 2,650.76 : x
  2. Step 2: Convert to fraction form
    7,327.40/10,991.20 = 2,650.76/x
  3. Step 3: Cross multiply
    7,327.40x = 10,991.20 × 2,650.76
  4. Step 4: Simplify right side
    7,327.40x = 29,135,033.31
  5. Step 5: Solve for x
    x = 29,135,033.31/7,327.40
  6. Step 6: Final answer
    x = 3,976.18

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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.