Home / 4,158.11-6,239.87-2,211.68

Finding the Fourth Proportional to 4,158.11, 6,239.87 and 2,211.68

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Solution

The fourth proportional to 4,158.11, 6,239.87 and 2,211.68 is: 3,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.11 : 6,239.87 = 2,211.68 : x
  2. Step 2: Convert to fraction form
    4,158.11/6,239.87 = 2,211.68/x
  3. Step 3: Cross multiply
    4,158.11x = 6,239.87 × 2,211.68
  4. Step 4: Simplify right side
    4,158.11x = 13,800,553.42
  5. Step 5: Solve for x
    x = 13,800,553.42/4,158.11
  6. Step 6: Final answer
    x = 3,318.95

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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.