Home / 6,122.11-9,183.77-1,961.07

Finding the Fourth Proportional to 6,122.11, 9,183.77 and 1,961.07

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Solution

The fourth proportional to 6,122.11, 9,183.77 and 1,961.07 is: 2,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.11 : 9,183.77 = 1,961.07 : x
  2. Step 2: Convert to fraction form
    6,122.11/9,183.77 = 1,961.07/x
  3. Step 3: Cross multiply
    6,122.11x = 9,183.77 × 1,961.07
  4. Step 4: Simplify right side
    6,122.11x = 18,010,015.83
  5. Step 5: Solve for x
    x = 18,010,015.83/6,122.11
  6. Step 6: Final answer
    x = 2,941.80

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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.