Home / 7,936.46-11,904.71-2,389.82

Finding the Fourth Proportional to 7,936.46, 11,904.71 and 2,389.82

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Solution

The fourth proportional to 7,936.46, 11,904.71 and 2,389.82 is: 3,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.46 : 11,904.71 = 2,389.82 : x
  2. Step 2: Convert to fraction form
    7,936.46/11,904.71 = 2,389.82/x
  3. Step 3: Cross multiply
    7,936.46x = 11,904.71 × 2,389.82
  4. Step 4: Simplify right side
    7,936.46x = 28,450,114.05
  5. Step 5: Solve for x
    x = 28,450,114.05/7,936.46
  6. Step 6: Final answer
    x = 3,584.74

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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.