Home / 7,936.30-11,906.17-2,389.22

Finding the Fourth Proportional to 7,936.30, 11,906.17 and 2,389.22

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Solution

The fourth proportional to 7,936.30, 11,906.17 and 2,389.22 is: 3,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.30 : 11,906.17 = 2,389.22 : x
  2. Step 2: Convert to fraction form
    7,936.30/11,906.17 = 2,389.22/x
  3. Step 3: Cross multiply
    7,936.30x = 11,906.17 × 2,389.22
  4. Step 4: Simplify right side
    7,936.30x = 28,446,393.98
  5. Step 5: Solve for x
    x = 28,446,393.98/7,936.30
  6. Step 6: Final answer
    x = 3,584.34

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1.5x scale

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.