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Finding the Fourth Proportional to 7,794, 11,688.22 and 2,527.74

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Solution

The fourth proportional to 7,794, 11,688.22 and 2,527.74 is: 3,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794 : 11,688.22 = 2,527.74 : x
  2. Step 2: Convert to fraction form
    7,794/11,688.22 = 2,527.74/x
  3. Step 3: Cross multiply
    7,794x = 11,688.22 × 2,527.74
  4. Step 4: Simplify right side
    7,794x = 29,544,781.22
  5. Step 5: Solve for x
    x = 29,544,781.22/7,794
  6. Step 6: Final answer
    x = 3,790.71

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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.