Home / 7,972.16-11,957.83-3,290.96

Finding the Fourth Proportional to 7,972.16, 11,957.83 and 3,290.96

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Solution

The fourth proportional to 7,972.16, 11,957.83 and 3,290.96 is: 4,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.16 : 11,957.83 = 3,290.96 : x
  2. Step 2: Convert to fraction form
    7,972.16/11,957.83 = 3,290.96/x
  3. Step 3: Cross multiply
    7,972.16x = 11,957.83 × 3,290.96
  4. Step 4: Simplify right side
    7,972.16x = 39,352,761.88
  5. Step 5: Solve for x
    x = 39,352,761.88/7,972.16
  6. Step 6: Final answer
    x = 4,936.28

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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.