Home / 4,660.16-6,981.39-2,163.39

Finding the Fourth Proportional to 4,660.16, 6,981.39 and 2,163.39

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Solution

The fourth proportional to 4,660.16, 6,981.39 and 2,163.39 is: 3,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.16 : 6,981.39 = 2,163.39 : x
  2. Step 2: Convert to fraction form
    4,660.16/6,981.39 = 2,163.39/x
  3. Step 3: Cross multiply
    4,660.16x = 6,981.39 × 2,163.39
  4. Step 4: Simplify right side
    4,660.16x = 15,103,469.31
  5. Step 5: Solve for x
    x = 15,103,469.31/4,660.16
  6. Step 6: Final answer
    x = 3,240.98

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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.