Home / 6,122.18-9,183.96-1,961.22

Finding the Fourth Proportional to 6,122.18, 9,183.96 and 1,961.22

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Solution

The fourth proportional to 6,122.18, 9,183.96 and 1,961.22 is: 2,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.18 : 9,183.96 = 1,961.22 : x
  2. Step 2: Convert to fraction form
    6,122.18/9,183.96 = 1,961.22/x
  3. Step 3: Cross multiply
    6,122.18x = 9,183.96 × 1,961.22
  4. Step 4: Simplify right side
    6,122.18x = 18,011,766.03
  5. Step 5: Solve for x
    x = 18,011,766.03/6,122.18
  6. Step 6: Final answer
    x = 2,942.05

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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.