Home / 6,121.11-9,182.27-1,960.07

Finding the Fourth Proportional to 6,121.11, 9,182.27 and 1,960.07

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Solution

The fourth proportional to 6,121.11, 9,182.27 and 1,960.07 is: 2,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.11 : 9,182.27 = 1,960.07 : x
  2. Step 2: Convert to fraction form
    6,121.11/9,182.27 = 1,960.07/x
  3. Step 3: Cross multiply
    6,121.11x = 9,182.27 × 1,960.07
  4. Step 4: Simplify right side
    6,121.11x = 17,997,919.81
  5. Step 5: Solve for x
    x = 17,997,919.81/6,121.11
  6. Step 6: Final answer
    x = 2,940.30

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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.