Home / 6,121.77-9,183-1,738.88

Finding the Fourth Proportional to 6,121.77, 9,183 and 1,738.88

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Solution

The fourth proportional to 6,121.77, 9,183 and 1,738.88 is: 2,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.77 : 9,183 = 1,738.88 : x
  2. Step 2: Convert to fraction form
    6,121.77/9,183 = 1,738.88/x
  3. Step 3: Cross multiply
    6,121.77x = 9,183 × 1,738.88
  4. Step 4: Simplify right side
    6,121.77x = 15,968,089.13
  5. Step 5: Solve for x
    x = 15,968,089.13/6,121.77
  6. Step 6: Final answer
    x = 2,608.41

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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.