Home / 6,836.16-10,246.26-3,138.78

Finding the Fourth Proportional to 6,836.16, 10,246.26 and 3,138.78

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Solution

The fourth proportional to 6,836.16, 10,246.26 and 3,138.78 is: 4,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.16 : 10,246.26 = 3,138.78 : x
  2. Step 2: Convert to fraction form
    6,836.16/10,246.26 = 3,138.78/x
  3. Step 3: Cross multiply
    6,836.16x = 10,246.26 × 3,138.78
  4. Step 4: Simplify right side
    6,836.16x = 32,160,755.96
  5. Step 5: Solve for x
    x = 32,160,755.96/6,836.16
  6. Step 6: Final answer
    x = 4,704.51

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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.