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Finding the Fourth Proportional to 5,949.30, 8,921.90 and 1,999.94

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Solution

The fourth proportional to 5,949.30, 8,921.90 and 1,999.94 is: 2,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,949.30 : 8,921.90 = 1,999.94 : x
  2. Step 2: Convert to fraction form
    5,949.30/8,921.90 = 1,999.94/x
  3. Step 3: Cross multiply
    5,949.30x = 8,921.90 × 1,999.94
  4. Step 4: Simplify right side
    5,949.30x = 17,843,264.01
  5. Step 5: Solve for x
    x = 17,843,264.01/5,949.30
  6. Step 6: Final answer
    x = 2,999.22

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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.