Home / 7,836.80-11,751.32-2,499.29

Finding the Fourth Proportional to 7,836.80, 11,751.32 and 2,499.29

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Solution

The fourth proportional to 7,836.80, 11,751.32 and 2,499.29 is: 3,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.80 : 11,751.32 = 2,499.29 : x
  2. Step 2: Convert to fraction form
    7,836.80/11,751.32 = 2,499.29/x
  3. Step 3: Cross multiply
    7,836.80x = 11,751.32 × 2,499.29
  4. Step 4: Simplify right side
    7,836.80x = 29,369,885.31
  5. Step 5: Solve for x
    x = 29,369,885.31/7,836.80
  6. Step 6: Final answer
    x = 3,747.69

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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.