Home / 7,864.94-11,789.13-3,961.14

Finding the Fourth Proportional to 7,864.94, 11,789.13 and 3,961.14

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Solution

The fourth proportional to 7,864.94, 11,789.13 and 3,961.14 is: 5,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.94 : 11,789.13 = 3,961.14 : x
  2. Step 2: Convert to fraction form
    7,864.94/11,789.13 = 3,961.14/x
  3. Step 3: Cross multiply
    7,864.94x = 11,789.13 × 3,961.14
  4. Step 4: Simplify right side
    7,864.94x = 46,698,394.41
  5. Step 5: Solve for x
    x = 46,698,394.41/7,864.94
  6. Step 6: Final answer
    x = 5,937.54

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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.