Home / 7,138.26-10,706.85-1,944.54

Finding the Fourth Proportional to 7,138.26, 10,706.85 and 1,944.54

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Solution

The fourth proportional to 7,138.26, 10,706.85 and 1,944.54 is: 2,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.26 : 10,706.85 = 1,944.54 : x
  2. Step 2: Convert to fraction form
    7,138.26/10,706.85 = 1,944.54/x
  3. Step 3: Cross multiply
    7,138.26x = 10,706.85 × 1,944.54
  4. Step 4: Simplify right side
    7,138.26x = 20,819,898.10
  5. Step 5: Solve for x
    x = 20,819,898.10/7,138.26
  6. Step 6: Final answer
    x = 2,916.66

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