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Finding the Fourth Proportional to 5,525, 7,618.02 and 3,950.44

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Solution

The fourth proportional to 5,525, 7,618.02 and 3,950.44 is: 5,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525 : 7,618.02 = 3,950.44 : x
  2. Step 2: Convert to fraction form
    5,525/7,618.02 = 3,950.44/x
  3. Step 3: Cross multiply
    5,525x = 7,618.02 × 3,950.44
  4. Step 4: Simplify right side
    5,525x = 30,094,530.93
  5. Step 5: Solve for x
    x = 30,094,530.93/5,525
  6. Step 6: Final answer
    x = 5,446.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.