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Finding the Fourth Proportional to 6,168.29, 8,512.43 and 3,373.79

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Solution

The fourth proportional to 6,168.29, 8,512.43 and 3,373.79 is: 4,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.29 : 8,512.43 = 3,373.79 : x
  2. Step 2: Convert to fraction form
    6,168.29/8,512.43 = 3,373.79/x
  3. Step 3: Cross multiply
    6,168.29x = 8,512.43 × 3,373.79
  4. Step 4: Simplify right side
    6,168.29x = 28,719,117.08
  5. Step 5: Solve for x
    x = 28,719,117.08/6,168.29
  6. Step 6: Final answer
    x = 4,655.93

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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.