Home / 6,600.85-9,902.18-2,219.56

Finding the Fourth Proportional to 6,600.85, 9,902.18 and 2,219.56

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Solution

The fourth proportional to 6,600.85, 9,902.18 and 2,219.56 is: 3,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.85 : 9,902.18 = 2,219.56 : x
  2. Step 2: Convert to fraction form
    6,600.85/9,902.18 = 2,219.56/x
  3. Step 3: Cross multiply
    6,600.85x = 9,902.18 × 2,219.56
  4. Step 4: Simplify right side
    6,600.85x = 21,978,471.54
  5. Step 5: Solve for x
    x = 21,978,471.54/6,600.85
  6. Step 6: Final answer
    x = 3,329.64

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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.