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Finding the Fourth Proportional to 4,738.71, 7,108.02 and 2,544.42

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Solution

The fourth proportional to 4,738.71, 7,108.02 and 2,544.42 is: 3,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.71 : 7,108.02 = 2,544.42 : x
  2. Step 2: Convert to fraction form
    4,738.71/7,108.02 = 2,544.42/x
  3. Step 3: Cross multiply
    4,738.71x = 7,108.02 × 2,544.42
  4. Step 4: Simplify right side
    4,738.71x = 18,085,788.25
  5. Step 5: Solve for x
    x = 18,085,788.25/4,738.71
  6. Step 6: Final answer
    x = 3,816.61

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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.