Home / 4,311.14-6,468.27-2,121.41

Finding the Fourth Proportional to 4,311.14, 6,468.27 and 2,121.41

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Solution

The fourth proportional to 4,311.14, 6,468.27 and 2,121.41 is: 3,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.14 : 6,468.27 = 2,121.41 : x
  2. Step 2: Convert to fraction form
    4,311.14/6,468.27 = 2,121.41/x
  3. Step 3: Cross multiply
    4,311.14x = 6,468.27 × 2,121.41
  4. Step 4: Simplify right side
    4,311.14x = 13,721,836.42
  5. Step 5: Solve for x
    x = 13,721,836.42/4,311.14
  6. Step 6: Final answer
    x = 3,182.88

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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.