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Finding the Fourth Proportional to 6,479, 8,941.04 and 3,995

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Solution

The fourth proportional to 6,479, 8,941.04 and 3,995 is: 5,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479 : 8,941.04 = 3,995 : x
  2. Step 2: Convert to fraction form
    6,479/8,941.04 = 3,995/x
  3. Step 3: Cross multiply
    6,479x = 8,941.04 × 3,995
  4. Step 4: Simplify right side
    6,479x = 35,719,454.80
  5. Step 5: Solve for x
    x = 35,719,454.80/6,479
  6. Step 6: Final answer
    x = 5,513.11

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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.