Home / 6,138.19-9,208.20-1,976.83

Finding the Fourth Proportional to 6,138.19, 9,208.20 and 1,976.83

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Solution

The fourth proportional to 6,138.19, 9,208.20 and 1,976.83 is: 2,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.19 : 9,208.20 = 1,976.83 : x
  2. Step 2: Convert to fraction form
    6,138.19/9,208.20 = 1,976.83/x
  3. Step 3: Cross multiply
    6,138.19x = 9,208.20 × 1,976.83
  4. Step 4: Simplify right side
    6,138.19x = 18,203,046.01
  5. Step 5: Solve for x
    x = 18,203,046.01/6,138.19
  6. Step 6: Final answer
    x = 2,965.54

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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.