Home / 6,120.36-9,183.78-2,227.50

Finding the Fourth Proportional to 6,120.36, 9,183.78 and 2,227.50

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Solution

The fourth proportional to 6,120.36, 9,183.78 and 2,227.50 is: 3,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.36 : 9,183.78 = 2,227.50 : x
  2. Step 2: Convert to fraction form
    6,120.36/9,183.78 = 2,227.50/x
  3. Step 3: Cross multiply
    6,120.36x = 9,183.78 × 2,227.50
  4. Step 4: Simplify right side
    6,120.36x = 20,456,869.95
  5. Step 5: Solve for x
    x = 20,456,869.95/6,120.36
  6. Step 6: Final answer
    x = 3,342.43

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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.