Home / 7,579.78-11,348.71-3,874.03

Finding the Fourth Proportional to 7,579.78, 11,348.71 and 3,874.03

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Solution

The fourth proportional to 7,579.78, 11,348.71 and 3,874.03 is: 5,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.78 : 11,348.71 = 3,874.03 : x
  2. Step 2: Convert to fraction form
    7,579.78/11,348.71 = 3,874.03/x
  3. Step 3: Cross multiply
    7,579.78x = 11,348.71 × 3,874.03
  4. Step 4: Simplify right side
    7,579.78x = 43,965,204.94
  5. Step 5: Solve for x
    x = 43,965,204.94/7,579.78
  6. Step 6: Final answer
    x = 5,800.33

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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.