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Finding the Fourth Proportional to 7,104.80, 10,659 and 2,174.60

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Solution

The fourth proportional to 7,104.80, 10,659 and 2,174.60 is: 3,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.80 : 10,659 = 2,174.60 : x
  2. Step 2: Convert to fraction form
    7,104.80/10,659 = 2,174.60/x
  3. Step 3: Cross multiply
    7,104.80x = 10,659 × 2,174.60
  4. Step 4: Simplify right side
    7,104.80x = 23,179,061.40
  5. Step 5: Solve for x
    x = 23,179,061.40/7,104.80
  6. Step 6: Final answer
    x = 3,262.45

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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.