Home / 6,864.20-10,296.29-2,760.20

Finding the Fourth Proportional to 6,864.20, 10,296.29 and 2,760.20

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Solution

The fourth proportional to 6,864.20, 10,296.29 and 2,760.20 is: 4,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.20 : 10,296.29 = 2,760.20 : x
  2. Step 2: Convert to fraction form
    6,864.20/10,296.29 = 2,760.20/x
  3. Step 3: Cross multiply
    6,864.20x = 10,296.29 × 2,760.20
  4. Step 4: Simplify right side
    6,864.20x = 28,419,754.38
  5. Step 5: Solve for x
    x = 28,419,754.38/6,864.20
  6. Step 6: Final answer
    x = 4,140.29

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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.