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Finding the Fourth Proportional to 7,940.93, 11,913.11 and 2,393.85

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Solution

The fourth proportional to 7,940.93, 11,913.11 and 2,393.85 is: 3,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.93 : 11,913.11 = 2,393.85 : x
  2. Step 2: Convert to fraction form
    7,940.93/11,913.11 = 2,393.85/x
  3. Step 3: Cross multiply
    7,940.93x = 11,913.11 × 2,393.85
  4. Step 4: Simplify right side
    7,940.93x = 28,518,198.37
  5. Step 5: Solve for x
    x = 28,518,198.37/7,940.93
  6. Step 6: Final answer
    x = 3,591.29

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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.