Home / 6,112.13-9,168.19-2,216.54

Finding the Fourth Proportional to 6,112.13, 9,168.19 and 2,216.54

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Solution

The fourth proportional to 6,112.13, 9,168.19 and 2,216.54 is: 3,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.13 : 9,168.19 = 2,216.54 : x
  2. Step 2: Convert to fraction form
    6,112.13/9,168.19 = 2,216.54/x
  3. Step 3: Cross multiply
    6,112.13x = 9,168.19 × 2,216.54
  4. Step 4: Simplify right side
    6,112.13x = 20,321,608.48
  5. Step 5: Solve for x
    x = 20,321,608.48/6,112.13
  6. Step 6: Final answer
    x = 3,324.80

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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.