Home / 4,979.94-7,467.39-2,788.08

Finding the Fourth Proportional to 4,979.94, 7,467.39 and 2,788.08

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Solution

The fourth proportional to 4,979.94, 7,467.39 and 2,788.08 is: 4,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.94 : 7,467.39 = 2,788.08 : x
  2. Step 2: Convert to fraction form
    4,979.94/7,467.39 = 2,788.08/x
  3. Step 3: Cross multiply
    4,979.94x = 7,467.39 × 2,788.08
  4. Step 4: Simplify right side
    4,979.94x = 20,819,680.71
  5. Step 5: Solve for x
    x = 20,819,680.71/4,979.94
  6. Step 6: Final answer
    x = 4,180.71

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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.