Home / 6,855.73-10,286.58-2,909.71

Finding the Fourth Proportional to 6,855.73, 10,286.58 and 2,909.71

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Solution

The fourth proportional to 6,855.73, 10,286.58 and 2,909.71 is: 4,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.73 : 10,286.58 = 2,909.71 : x
  2. Step 2: Convert to fraction form
    6,855.73/10,286.58 = 2,909.71/x
  3. Step 3: Cross multiply
    6,855.73x = 10,286.58 × 2,909.71
  4. Step 4: Simplify right side
    6,855.73x = 29,930,964.69
  5. Step 5: Solve for x
    x = 29,930,964.69/6,855.73
  6. Step 6: Final answer
    x = 4,365.83

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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.