Home / 4,082.20-6,107.10-3,540.40

Finding the Fourth Proportional to 4,082.20, 6,107.10 and 3,540.40

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Solution

The fourth proportional to 4,082.20, 6,107.10 and 3,540.40 is: 5,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.20 : 6,107.10 = 3,540.40 : x
  2. Step 2: Convert to fraction form
    4,082.20/6,107.10 = 3,540.40/x
  3. Step 3: Cross multiply
    4,082.20x = 6,107.10 × 3,540.40
  4. Step 4: Simplify right side
    4,082.20x = 21,621,576.84
  5. Step 5: Solve for x
    x = 21,621,576.84/4,082.20
  6. Step 6: Final answer
    x = 5,296.55

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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.