Home / 4,949.72-7,426.56-2,979.08

Finding the Fourth Proportional to 4,949.72, 7,426.56 and 2,979.08

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Solution

The fourth proportional to 4,949.72, 7,426.56 and 2,979.08 is: 4,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.72 : 7,426.56 = 2,979.08 : x
  2. Step 2: Convert to fraction form
    4,949.72/7,426.56 = 2,979.08/x
  3. Step 3: Cross multiply
    4,949.72x = 7,426.56 × 2,979.08
  4. Step 4: Simplify right side
    4,949.72x = 22,124,316.36
  5. Step 5: Solve for x
    x = 22,124,316.36/4,949.72
  6. Step 6: Final answer
    x = 4,469.81

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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.