Home / 4,748.75-7,138.50-3,836.36

Finding the Fourth Proportional to 4,748.75, 7,138.50 and 3,836.36

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Solution

The fourth proportional to 4,748.75, 7,138.50 and 3,836.36 is: 5,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.75 : 7,138.50 = 3,836.36 : x
  2. Step 2: Convert to fraction form
    4,748.75/7,138.50 = 3,836.36/x
  3. Step 3: Cross multiply
    4,748.75x = 7,138.50 × 3,836.36
  4. Step 4: Simplify right side
    4,748.75x = 27,385,891.69
  5. Step 5: Solve for x
    x = 27,385,891.69/4,748.75
  6. Step 6: Final answer
    x = 5,766.97

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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.