Home / 4,917.11-7,369.43-2,143.04

Finding the Fourth Proportional to 4,917.11, 7,369.43 and 2,143.04

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Solution

The fourth proportional to 4,917.11, 7,369.43 and 2,143.04 is: 3,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.11 : 7,369.43 = 2,143.04 : x
  2. Step 2: Convert to fraction form
    4,917.11/7,369.43 = 2,143.04/x
  3. Step 3: Cross multiply
    4,917.11x = 7,369.43 × 2,143.04
  4. Step 4: Simplify right side
    4,917.11x = 15,792,935.70
  5. Step 5: Solve for x
    x = 15,792,935.70/4,917.11
  6. Step 6: Final answer
    x = 3,211.84

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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.