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Finding the Fourth Proportional to 3,999.47, 6,004.41 and 2,689.09

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Solution

The fourth proportional to 3,999.47, 6,004.41 and 2,689.09 is: 4,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.47 : 6,004.41 = 2,689.09 : x
  2. Step 2: Convert to fraction form
    3,999.47/6,004.41 = 2,689.09/x
  3. Step 3: Cross multiply
    3,999.47x = 6,004.41 × 2,689.09
  4. Step 4: Simplify right side
    3,999.47x = 16,146,398.89
  5. Step 5: Solve for x
    x = 16,146,398.89/3,999.47
  6. Step 6: Final answer
    x = 4,037.14

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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.