Home / 4,824.91-7,241.82-2,979.64

Finding the Fourth Proportional to 4,824.91, 7,241.82 and 2,979.64

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Solution

The fourth proportional to 4,824.91, 7,241.82 and 2,979.64 is: 4,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.91 : 7,241.82 = 2,979.64 : x
  2. Step 2: Convert to fraction form
    4,824.91/7,241.82 = 2,979.64/x
  3. Step 3: Cross multiply
    4,824.91x = 7,241.82 × 2,979.64
  4. Step 4: Simplify right side
    4,824.91x = 21,578,016.54
  5. Step 5: Solve for x
    x = 21,578,016.54/4,824.91
  6. Step 6: Final answer
    x = 4,472.21

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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.