Home / 6,781.06-10,163.77-2,619.23

Finding the Fourth Proportional to 6,781.06, 10,163.77 and 2,619.23

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Solution

The fourth proportional to 6,781.06, 10,163.77 and 2,619.23 is: 3,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.06 : 10,163.77 = 2,619.23 : x
  2. Step 2: Convert to fraction form
    6,781.06/10,163.77 = 2,619.23/x
  3. Step 3: Cross multiply
    6,781.06x = 10,163.77 × 2,619.23
  4. Step 4: Simplify right side
    6,781.06x = 26,621,251.30
  5. Step 5: Solve for x
    x = 26,621,251.30/6,781.06
  6. Step 6: Final answer
    x = 3,925.82

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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.