Home / 9,212.94-13,819.41-3,876.66

Finding the Fourth Proportional to 9,212.94, 13,819.41 and 3,876.66

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Solution

The fourth proportional to 9,212.94, 13,819.41 and 3,876.66 is: 5,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.94 : 13,819.41 = 3,876.66 : x
  2. Step 2: Convert to fraction form
    9,212.94/13,819.41 = 3,876.66/x
  3. Step 3: Cross multiply
    9,212.94x = 13,819.41 × 3,876.66
  4. Step 4: Simplify right side
    9,212.94x = 53,573,153.97
  5. Step 5: Solve for x
    x = 53,573,153.97/9,212.94
  6. Step 6: Final answer
    x = 5,814.99

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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.