Home / 6,128.78-9,195.62-2,433.65

Finding the Fourth Proportional to 6,128.78, 9,195.62 and 2,433.65

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Solution

The fourth proportional to 6,128.78, 9,195.62 and 2,433.65 is: 3,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.78 : 9,195.62 = 2,433.65 : x
  2. Step 2: Convert to fraction form
    6,128.78/9,195.62 = 2,433.65/x
  3. Step 3: Cross multiply
    6,128.78x = 9,195.62 × 2,433.65
  4. Step 4: Simplify right side
    6,128.78x = 22,378,862.47
  5. Step 5: Solve for x
    x = 22,378,862.47/6,128.78
  6. Step 6: Final answer
    x = 3,651.44

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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.