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Finding the Fourth Proportional to 5,616, 8,425.22 and 2,153.25

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Solution

The fourth proportional to 5,616, 8,425.22 and 2,153.25 is: 3,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616 : 8,425.22 = 2,153.25 : x
  2. Step 2: Convert to fraction form
    5,616/8,425.22 = 2,153.25/x
  3. Step 3: Cross multiply
    5,616x = 8,425.22 × 2,153.25
  4. Step 4: Simplify right side
    5,616x = 18,141,604.97
  5. Step 5: Solve for x
    x = 18,141,604.97/5,616
  6. Step 6: Final answer
    x = 3,230.34

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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.