Home / 6,839.09-10,257.86-2,159.10

Finding the Fourth Proportional to 6,839.09, 10,257.86 and 2,159.10

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Solution

The fourth proportional to 6,839.09, 10,257.86 and 2,159.10 is: 3,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.09 : 10,257.86 = 2,159.10 : x
  2. Step 2: Convert to fraction form
    6,839.09/10,257.86 = 2,159.10/x
  3. Step 3: Cross multiply
    6,839.09x = 10,257.86 × 2,159.10
  4. Step 4: Simplify right side
    6,839.09x = 22,147,734.73
  5. Step 5: Solve for x
    x = 22,147,734.73/6,839.09
  6. Step 6: Final answer
    x = 3,238.41

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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.