Home / 7,910.84-11,863.82-2,715.48

Finding the Fourth Proportional to 7,910.84, 11,863.82 and 2,715.48

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Solution

The fourth proportional to 7,910.84, 11,863.82 and 2,715.48 is: 4,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.84 : 11,863.82 = 2,715.48 : x
  2. Step 2: Convert to fraction form
    7,910.84/11,863.82 = 2,715.48/x
  3. Step 3: Cross multiply
    7,910.84x = 11,863.82 × 2,715.48
  4. Step 4: Simplify right side
    7,910.84x = 32,215,965.93
  5. Step 5: Solve for x
    x = 32,215,965.93/7,910.84
  6. Step 6: Final answer
    x = 4,072.38

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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.