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Finding the Fourth Proportional to 8,865.03, 13,296.94 and 2,290.97

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Solution

The fourth proportional to 8,865.03, 13,296.94 and 2,290.97 is: 3,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.03 : 13,296.94 = 2,290.97 : x
  2. Step 2: Convert to fraction form
    8,865.03/13,296.94 = 2,290.97/x
  3. Step 3: Cross multiply
    8,865.03x = 13,296.94 × 2,290.97
  4. Step 4: Simplify right side
    8,865.03x = 30,462,890.63
  5. Step 5: Solve for x
    x = 30,462,890.63/8,865.03
  6. Step 6: Final answer
    x = 3,436.30

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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.