Home / 4,286.76-6,421.10-2,200.43

Finding the Fourth Proportional to 4,286.76, 6,421.10 and 2,200.43

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Solution

The fourth proportional to 4,286.76, 6,421.10 and 2,200.43 is: 3,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.76 : 6,421.10 = 2,200.43 : x
  2. Step 2: Convert to fraction form
    4,286.76/6,421.10 = 2,200.43/x
  3. Step 3: Cross multiply
    4,286.76x = 6,421.10 × 2,200.43
  4. Step 4: Simplify right side
    4,286.76x = 14,129,137.97
  5. Step 5: Solve for x
    x = 14,129,137.97/4,286.76
  6. Step 6: Final answer
    x = 3,295.99

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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.