Home / 7,327.20-10,991.32-2,944.66

Finding the Fourth Proportional to 7,327.20, 10,991.32 and 2,944.66

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Solution

The fourth proportional to 7,327.20, 10,991.32 and 2,944.66 is: 4,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.20 : 10,991.32 = 2,944.66 : x
  2. Step 2: Convert to fraction form
    7,327.20/10,991.32 = 2,944.66/x
  3. Step 3: Cross multiply
    7,327.20x = 10,991.32 × 2,944.66
  4. Step 4: Simplify right side
    7,327.20x = 32,365,685.63
  5. Step 5: Solve for x
    x = 32,365,685.63/7,327.20
  6. Step 6: Final answer
    x = 4,417.20

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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.