Home / 6,120.86-9,177.66-2,418.80

Finding the Fourth Proportional to 6,120.86, 9,177.66 and 2,418.80

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Solution

The fourth proportional to 6,120.86, 9,177.66 and 2,418.80 is: 3,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.86 : 9,177.66 = 2,418.80 : x
  2. Step 2: Convert to fraction form
    6,120.86/9,177.66 = 2,418.80/x
  3. Step 3: Cross multiply
    6,120.86x = 9,177.66 × 2,418.80
  4. Step 4: Simplify right side
    6,120.86x = 22,198,924.01
  5. Step 5: Solve for x
    x = 22,198,924.01/6,120.86
  6. Step 6: Final answer
    x = 3,626.77

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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.