Home / 7,957.29-11,936.67-3,276.21

Finding the Fourth Proportional to 7,957.29, 11,936.67 and 3,276.21

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Solution

The fourth proportional to 7,957.29, 11,936.67 and 3,276.21 is: 4,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.29 : 11,936.67 = 3,276.21 : x
  2. Step 2: Convert to fraction form
    7,957.29/11,936.67 = 3,276.21/x
  3. Step 3: Cross multiply
    7,957.29x = 11,936.67 × 3,276.21
  4. Step 4: Simplify right side
    7,957.29x = 39,107,037.62
  5. Step 5: Solve for x
    x = 39,107,037.62/7,957.29
  6. Step 6: Final answer
    x = 4,914.62

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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.