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Finding the Fourth Proportional to 6,161, 8,502.18 and 3,366.50

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Solution

The fourth proportional to 6,161, 8,502.18 and 3,366.50 is: 4,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161 : 8,502.18 = 3,366.50 : x
  2. Step 2: Convert to fraction form
    6,161/8,502.18 = 3,366.50/x
  3. Step 3: Cross multiply
    6,161x = 8,502.18 × 3,366.50
  4. Step 4: Simplify right side
    6,161x = 28,622,588.97
  5. Step 5: Solve for x
    x = 28,622,588.97/6,161
  6. Step 6: Final answer
    x = 4,645.77

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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.