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Finding the Fourth Proportional to 5,999.72, 8,991.36 and 3,809.97

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Solution

The fourth proportional to 5,999.72, 8,991.36 and 3,809.97 is: 5,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.72 : 8,991.36 = 3,809.97 : x
  2. Step 2: Convert to fraction form
    5,999.72/8,991.36 = 3,809.97/x
  3. Step 3: Cross multiply
    5,999.72x = 8,991.36 × 3,809.97
  4. Step 4: Simplify right side
    5,999.72x = 34,256,811.86
  5. Step 5: Solve for x
    x = 34,256,811.86/5,999.72
  6. Step 6: Final answer
    x = 5,709.74

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1.5x scale

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.