Home / 7,441.20-11,161.62-3,278.76

Finding the Fourth Proportional to 7,441.20, 11,161.62 and 3,278.76

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Solution

The fourth proportional to 7,441.20, 11,161.62 and 3,278.76 is: 4,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.20 : 11,161.62 = 3,278.76 : x
  2. Step 2: Convert to fraction form
    7,441.20/11,161.62 = 3,278.76/x
  3. Step 3: Cross multiply
    7,441.20x = 11,161.62 × 3,278.76
  4. Step 4: Simplify right side
    7,441.20x = 36,596,273.19
  5. Step 5: Solve for x
    x = 36,596,273.19/7,441.20
  6. Step 6: Final answer
    x = 4,918.06

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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.