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Finding the Fourth Proportional to 6,163, 8,505.12 and 3,368.68

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Solution

The fourth proportional to 6,163, 8,505.12 and 3,368.68 is: 4,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163 : 8,505.12 = 3,368.68 : x
  2. Step 2: Convert to fraction form
    6,163/8,505.12 = 3,368.68/x
  3. Step 3: Cross multiply
    6,163x = 8,505.12 × 3,368.68
  4. Step 4: Simplify right side
    6,163x = 28,651,027.64
  5. Step 5: Solve for x
    x = 28,651,027.64/6,163
  6. Step 6: Final answer
    x = 4,648.88

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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.