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Finding the Fourth Proportional to 4,477, 6,179 and 2,613.64

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Solution

The fourth proportional to 4,477, 6,179 and 2,613.64 is: 3,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477 : 6,179 = 2,613.64 : x
  2. Step 2: Convert to fraction form
    4,477/6,179 = 2,613.64/x
  3. Step 3: Cross multiply
    4,477x = 6,179 × 2,613.64
  4. Step 4: Simplify right side
    4,477x = 16,149,681.56
  5. Step 5: Solve for x
    x = 16,149,681.56/4,477
  6. Step 6: Final answer
    x = 3,607.26

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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.