Home / 6,091.80-8,409.06-3,996.60

Finding the Fourth Proportional to 6,091.80, 8,409.06 and 3,996.60

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Solution

The fourth proportional to 6,091.80, 8,409.06 and 3,996.60 is: 5,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.80 : 8,409.06 = 3,996.60 : x
  2. Step 2: Convert to fraction form
    6,091.80/8,409.06 = 3,996.60/x
  3. Step 3: Cross multiply
    6,091.80x = 8,409.06 × 3,996.60
  4. Step 4: Simplify right side
    6,091.80x = 33,607,649.20
  5. Step 5: Solve for x
    x = 33,607,649.20/6,091.80
  6. Step 6: Final answer
    x = 5,516.87

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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.