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Finding the Fourth Proportional to 7,894.44, 11,843.10 and 2,347.74

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Solution

The fourth proportional to 7,894.44, 11,843.10 and 2,347.74 is: 3,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.44 : 11,843.10 = 2,347.74 : x
  2. Step 2: Convert to fraction form
    7,894.44/11,843.10 = 2,347.74/x
  3. Step 3: Cross multiply
    7,894.44x = 11,843.10 × 2,347.74
  4. Step 4: Simplify right side
    7,894.44x = 27,804,519.59
  5. Step 5: Solve for x
    x = 27,804,519.59/7,894.44
  6. Step 6: Final answer
    x = 3,522.04

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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.