Home / 6,928.83-10,391.99-1,997.26

Finding the Fourth Proportional to 6,928.83, 10,391.99 and 1,997.26

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Solution

The fourth proportional to 6,928.83, 10,391.99 and 1,997.26 is: 2,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.83 : 10,391.99 = 1,997.26 : x
  2. Step 2: Convert to fraction form
    6,928.83/10,391.99 = 1,997.26/x
  3. Step 3: Cross multiply
    6,928.83x = 10,391.99 × 1,997.26
  4. Step 4: Simplify right side
    6,928.83x = 20,755,484.96
  5. Step 5: Solve for x
    x = 20,755,484.96/6,928.83
  6. Step 6: Final answer
    x = 2,995.53

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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.