Home / 8,219.82-11,352.78-5,991.66

Finding the Fourth Proportional to 8,219.82, 11,352.78 and 5,991.66

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Solution

The fourth proportional to 8,219.82, 11,352.78 and 5,991.66 is: 8,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.82 : 11,352.78 = 5,991.66 : x
  2. Step 2: Convert to fraction form
    8,219.82/11,352.78 = 5,991.66/x
  3. Step 3: Cross multiply
    8,219.82x = 11,352.78 × 5,991.66
  4. Step 4: Simplify right side
    8,219.82x = 68,021,997.81
  5. Step 5: Solve for x
    x = 68,021,997.81/8,219.82
  6. Step 6: Final answer
    x = 8,275.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.