Home / 7,864.38-11,796.94-2,599.86

Finding the Fourth Proportional to 7,864.38, 11,796.94 and 2,599.86

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Solution

The fourth proportional to 7,864.38, 11,796.94 and 2,599.86 is: 3,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.38 : 11,796.94 = 2,599.86 : x
  2. Step 2: Convert to fraction form
    7,864.38/11,796.94 = 2,599.86/x
  3. Step 3: Cross multiply
    7,864.38x = 11,796.94 × 2,599.86
  4. Step 4: Simplify right side
    7,864.38x = 30,670,392.43
  5. Step 5: Solve for x
    x = 30,670,392.43/7,864.38
  6. Step 6: Final answer
    x = 3,899.91

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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.