Home / 7,936.09-11,906.67-2,390.02

Finding the Fourth Proportional to 7,936.09, 11,906.67 and 2,390.02

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Solution

The fourth proportional to 7,936.09, 11,906.67 and 2,390.02 is: 3,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.09 : 11,906.67 = 2,390.02 : x
  2. Step 2: Convert to fraction form
    7,936.09/11,906.67 = 2,390.02/x
  3. Step 3: Cross multiply
    7,936.09x = 11,906.67 × 2,390.02
  4. Step 4: Simplify right side
    7,936.09x = 28,457,179.43
  5. Step 5: Solve for x
    x = 28,457,179.43/7,936.09
  6. Step 6: Final answer
    x = 3,585.79

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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.