Home / 7,197.96-10,788.30-2,578.44

Finding the Fourth Proportional to 7,197.96, 10,788.30 and 2,578.44

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Solution

The fourth proportional to 7,197.96, 10,788.30 and 2,578.44 is: 3,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.96 : 10,788.30 = 2,578.44 : x
  2. Step 2: Convert to fraction form
    7,197.96/10,788.30 = 2,578.44/x
  3. Step 3: Cross multiply
    7,197.96x = 10,788.30 × 2,578.44
  4. Step 4: Simplify right side
    7,197.96x = 27,816,984.25
  5. Step 5: Solve for x
    x = 27,816,984.25/7,197.96
  6. Step 6: Final answer
    x = 3,864.56

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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.