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Finding the Fourth Proportional to 7,906.61, 11,860.22 and 2,063.07

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Solution

The fourth proportional to 7,906.61, 11,860.22 and 2,063.07 is: 3,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.61 : 11,860.22 = 2,063.07 : x
  2. Step 2: Convert to fraction form
    7,906.61/11,860.22 = 2,063.07/x
  3. Step 3: Cross multiply
    7,906.61x = 11,860.22 × 2,063.07
  4. Step 4: Simplify right side
    7,906.61x = 24,468,469.23
  5. Step 5: Solve for x
    x = 24,468,469.23/7,906.61
  6. Step 6: Final answer
    x = 3,094.68

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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.