Home / 5,521.23-7,619.49-3,163.83

Finding the Fourth Proportional to 5,521.23, 7,619.49 and 3,163.83

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Solution

The fourth proportional to 5,521.23, 7,619.49 and 3,163.83 is: 4,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.23 : 7,619.49 = 3,163.83 : x
  2. Step 2: Convert to fraction form
    5,521.23/7,619.49 = 3,163.83/x
  3. Step 3: Cross multiply
    5,521.23x = 7,619.49 × 3,163.83
  4. Step 4: Simplify right side
    5,521.23x = 24,106,771.05
  5. Step 5: Solve for x
    x = 24,106,771.05/5,521.23
  6. Step 6: Final answer
    x = 4,366.20

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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.