Home / 7,930.50-11,895.83-3,249.30

Finding the Fourth Proportional to 7,930.50, 11,895.83 and 3,249.30

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Solution

The fourth proportional to 7,930.50, 11,895.83 and 3,249.30 is: 4,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.50 : 11,895.83 = 3,249.30 : x
  2. Step 2: Convert to fraction form
    7,930.50/11,895.83 = 3,249.30/x
  3. Step 3: Cross multiply
    7,930.50x = 11,895.83 × 3,249.30
  4. Step 4: Simplify right side
    7,930.50x = 38,653,160.97
  5. Step 5: Solve for x
    x = 38,653,160.97/7,930.50
  6. Step 6: Final answer
    x = 4,873.99

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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.