Home / 6,091.54-9,138.78-2,142.22

Finding the Fourth Proportional to 6,091.54, 9,138.78 and 2,142.22

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Solution

The fourth proportional to 6,091.54, 9,138.78 and 2,142.22 is: 3,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.54 : 9,138.78 = 2,142.22 : x
  2. Step 2: Convert to fraction form
    6,091.54/9,138.78 = 2,142.22/x
  3. Step 3: Cross multiply
    6,091.54x = 9,138.78 × 2,142.22
  4. Step 4: Simplify right side
    6,091.54x = 19,577,277.29
  5. Step 5: Solve for x
    x = 19,577,277.29/6,091.54
  6. Step 6: Final answer
    x = 3,213.85

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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.