Home / 7,936.29-11,882.39-4,021.47

Finding the Fourth Proportional to 7,936.29, 11,882.39 and 4,021.47

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Solution

The fourth proportional to 7,936.29, 11,882.39 and 4,021.47 is: 6,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.29 : 11,882.39 = 4,021.47 : x
  2. Step 2: Convert to fraction form
    7,936.29/11,882.39 = 4,021.47/x
  3. Step 3: Cross multiply
    7,936.29x = 11,882.39 × 4,021.47
  4. Step 4: Simplify right side
    7,936.29x = 47,784,654.81
  5. Step 5: Solve for x
    x = 47,784,654.81/7,936.29
  6. Step 6: Final answer
    x = 6,021.03

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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.