Home / 7,604.48-11,395.79-3,215.90

Finding the Fourth Proportional to 7,604.48, 11,395.79 and 3,215.90

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Solution

The fourth proportional to 7,604.48, 11,395.79 and 3,215.90 is: 4,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.48 : 11,395.79 = 3,215.90 : x
  2. Step 2: Convert to fraction form
    7,604.48/11,395.79 = 3,215.90/x
  3. Step 3: Cross multiply
    7,604.48x = 11,395.79 × 3,215.90
  4. Step 4: Simplify right side
    7,604.48x = 36,647,745.53
  5. Step 5: Solve for x
    x = 36,647,745.53/7,604.48
  6. Step 6: Final answer
    x = 4,819.23

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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.