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Finding the Fourth Proportional to 8,842.65, 13,266.68 and 3,003.36

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Solution

The fourth proportional to 8,842.65, 13,266.68 and 3,003.36 is: 4,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.65 : 13,266.68 = 3,003.36 : x
  2. Step 2: Convert to fraction form
    8,842.65/13,266.68 = 3,003.36/x
  3. Step 3: Cross multiply
    8,842.65x = 13,266.68 × 3,003.36
  4. Step 4: Simplify right side
    8,842.65x = 39,844,601.03
  5. Step 5: Solve for x
    x = 39,844,601.03/8,842.65
  6. Step 6: Final answer
    x = 4,505.96

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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.