Home / 6,288.78-9,433.26-1,906.23

Finding the Fourth Proportional to 6,288.78, 9,433.26 and 1,906.23

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Solution

The fourth proportional to 6,288.78, 9,433.26 and 1,906.23 is: 2,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.78 : 9,433.26 = 1,906.23 : x
  2. Step 2: Convert to fraction form
    6,288.78/9,433.26 = 1,906.23/x
  3. Step 3: Cross multiply
    6,288.78x = 9,433.26 × 1,906.23
  4. Step 4: Simplify right side
    6,288.78x = 17,981,963.21
  5. Step 5: Solve for x
    x = 17,981,963.21/6,288.78
  6. Step 6: Final answer
    x = 2,859.37

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1.5x scale

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.