Home / 4,660.46-6,989.78-2,194.62

Finding the Fourth Proportional to 4,660.46, 6,989.78 and 2,194.62

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Solution

The fourth proportional to 4,660.46, 6,989.78 and 2,194.62 is: 3,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.46 : 6,989.78 = 2,194.62 : x
  2. Step 2: Convert to fraction form
    4,660.46/6,989.78 = 2,194.62/x
  3. Step 3: Cross multiply
    4,660.46x = 6,989.78 × 2,194.62
  4. Step 4: Simplify right side
    4,660.46x = 15,339,910.98
  5. Step 5: Solve for x
    x = 15,339,910.98/4,660.46
  6. Step 6: Final answer
    x = 3,291.50

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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.