Home / 8,647.19-12,966.42-3,963.25

Finding the Fourth Proportional to 8,647.19, 12,966.42 and 3,963.25

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Solution

The fourth proportional to 8,647.19, 12,966.42 and 3,963.25 is: 5,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.19 : 12,966.42 = 3,963.25 : x
  2. Step 2: Convert to fraction form
    8,647.19/12,966.42 = 3,963.25/x
  3. Step 3: Cross multiply
    8,647.19x = 12,966.42 × 3,963.25
  4. Step 4: Simplify right side
    8,647.19x = 51,389,173.97
  5. Step 5: Solve for x
    x = 51,389,173.97/8,647.19
  6. Step 6: Final answer
    x = 5,942.88

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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.