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Finding the Fourth Proportional to 8,828.73, 13,244.85 and 2,987.01

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Solution

The fourth proportional to 8,828.73, 13,244.85 and 2,987.01 is: 4,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.73 : 13,244.85 = 2,987.01 : x
  2. Step 2: Convert to fraction form
    8,828.73/13,244.85 = 2,987.01/x
  3. Step 3: Cross multiply
    8,828.73x = 13,244.85 × 2,987.01
  4. Step 4: Simplify right side
    8,828.73x = 39,562,499.40
  5. Step 5: Solve for x
    x = 39,562,499.40/8,828.73
  6. Step 6: Final answer
    x = 4,481.11

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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.