Home / 4,221.10-6,329.83-3,247.89

Finding the Fourth Proportional to 4,221.10, 6,329.83 and 3,247.89

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Solution

The fourth proportional to 4,221.10, 6,329.83 and 3,247.89 is: 4,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.10 : 6,329.83 = 3,247.89 : x
  2. Step 2: Convert to fraction form
    4,221.10/6,329.83 = 3,247.89/x
  3. Step 3: Cross multiply
    4,221.10x = 6,329.83 × 3,247.89
  4. Step 4: Simplify right side
    4,221.10x = 20,558,591.56
  5. Step 5: Solve for x
    x = 20,558,591.56/4,221.10
  6. Step 6: Final answer
    x = 4,870.43

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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.