Home / 7,838.72-11,759.97-2,908.41

Finding the Fourth Proportional to 7,838.72, 11,759.97 and 2,908.41

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Solution

The fourth proportional to 7,838.72, 11,759.97 and 2,908.41 is: 4,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.72 : 11,759.97 = 2,908.41 : x
  2. Step 2: Convert to fraction form
    7,838.72/11,759.97 = 2,908.41/x
  3. Step 3: Cross multiply
    7,838.72x = 11,759.97 × 2,908.41
  4. Step 4: Simplify right side
    7,838.72x = 34,202,741.01
  5. Step 5: Solve for x
    x = 34,202,741.01/7,838.72
  6. Step 6: Final answer
    x = 4,363.31

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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.