Home / 7,914.92-11,867.99-3,238.21

Finding the Fourth Proportional to 7,914.92, 11,867.99 and 3,238.21

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Solution

The fourth proportional to 7,914.92, 11,867.99 and 3,238.21 is: 4,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.92 : 11,867.99 = 3,238.21 : x
  2. Step 2: Convert to fraction form
    7,914.92/11,867.99 = 3,238.21/x
  3. Step 3: Cross multiply
    7,914.92x = 11,867.99 × 3,238.21
  4. Step 4: Simplify right side
    7,914.92x = 38,431,002.08
  5. Step 5: Solve for x
    x = 38,431,002.08/7,914.92
  6. Step 6: Final answer
    x = 4,855.52

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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.