Home / 6,169.33-8,511.28-3,930.81

Finding the Fourth Proportional to 6,169.33, 8,511.28 and 3,930.81

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Solution

The fourth proportional to 6,169.33, 8,511.28 and 3,930.81 is: 5,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.33 : 8,511.28 = 3,930.81 : x
  2. Step 2: Convert to fraction form
    6,169.33/8,511.28 = 3,930.81/x
  3. Step 3: Cross multiply
    6,169.33x = 8,511.28 × 3,930.81
  4. Step 4: Simplify right side
    6,169.33x = 33,456,224.54
  5. Step 5: Solve for x
    x = 33,456,224.54/6,169.33
  6. Step 6: Final answer
    x = 5,422.99

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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.