Home / 6,861.38-10,292.07-2,760.26

Finding the Fourth Proportional to 6,861.38, 10,292.07 and 2,760.26

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Solution

The fourth proportional to 6,861.38, 10,292.07 and 2,760.26 is: 4,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.38 : 10,292.07 = 2,760.26 : x
  2. Step 2: Convert to fraction form
    6,861.38/10,292.07 = 2,760.26/x
  3. Step 3: Cross multiply
    6,861.38x = 10,292.07 × 2,760.26
  4. Step 4: Simplify right side
    6,861.38x = 28,408,789.14
  5. Step 5: Solve for x
    x = 28,408,789.14/6,861.38
  6. Step 6: Final answer
    x = 4,140.39

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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.