Home / 7,976.36-11,964.99-2,429.89

Finding the Fourth Proportional to 7,976.36, 11,964.99 and 2,429.89

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Solution

The fourth proportional to 7,976.36, 11,964.99 and 2,429.89 is: 3,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.36 : 11,964.99 = 2,429.89 : x
  2. Step 2: Convert to fraction form
    7,976.36/11,964.99 = 2,429.89/x
  3. Step 3: Cross multiply
    7,976.36x = 11,964.99 × 2,429.89
  4. Step 4: Simplify right side
    7,976.36x = 29,073,588.75
  5. Step 5: Solve for x
    x = 29,073,588.75/7,976.36
  6. Step 6: Final answer
    x = 3,644.97

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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.