Home / 4,109.37-6,168.21-3,643.83

Finding the Fourth Proportional to 4,109.37, 6,168.21 and 3,643.83

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Solution

The fourth proportional to 4,109.37, 6,168.21 and 3,643.83 is: 5,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.37 : 6,168.21 = 3,643.83 : x
  2. Step 2: Convert to fraction form
    4,109.37/6,168.21 = 3,643.83/x
  3. Step 3: Cross multiply
    4,109.37x = 6,168.21 × 3,643.83
  4. Step 4: Simplify right side
    4,109.37x = 22,475,908.64
  5. Step 5: Solve for x
    x = 22,475,908.64/4,109.37
  6. Step 6: Final answer
    x = 5,469.43

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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.