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Finding the Fourth Proportional to 5,997.87, 8,999.40 and 3,221.31

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Solution

The fourth proportional to 5,997.87, 8,999.40 and 3,221.31 is: 4,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.87 : 8,999.40 = 3,221.31 : x
  2. Step 2: Convert to fraction form
    5,997.87/8,999.40 = 3,221.31/x
  3. Step 3: Cross multiply
    5,997.87x = 8,999.40 × 3,221.31
  4. Step 4: Simplify right side
    5,997.87x = 28,989,857.21
  5. Step 5: Solve for x
    x = 28,989,857.21/5,997.87
  6. Step 6: Final answer
    x = 4,833.36

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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.