Home / 6,851.39-10,279.11-2,900.61

Finding the Fourth Proportional to 6,851.39, 10,279.11 and 2,900.61

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Solution

The fourth proportional to 6,851.39, 10,279.11 and 2,900.61 is: 4,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.39 : 10,279.11 = 2,900.61 : x
  2. Step 2: Convert to fraction form
    6,851.39/10,279.11 = 2,900.61/x
  3. Step 3: Cross multiply
    6,851.39x = 10,279.11 × 2,900.61
  4. Step 4: Simplify right side
    6,851.39x = 29,815,689.26
  5. Step 5: Solve for x
    x = 29,815,689.26/6,851.39
  6. Step 6: Final answer
    x = 4,351.78

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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.