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Finding the Fourth Proportional to 6,190.82, 8,543.22 and 3,502

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Solution

The fourth proportional to 6,190.82, 8,543.22 and 3,502 is: 4,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.82 : 8,543.22 = 3,502 : x
  2. Step 2: Convert to fraction form
    6,190.82/8,543.22 = 3,502/x
  3. Step 3: Cross multiply
    6,190.82x = 8,543.22 × 3,502
  4. Step 4: Simplify right side
    6,190.82x = 29,918,356.44
  5. Step 5: Solve for x
    x = 29,918,356.44/6,190.82
  6. Step 6: Final answer
    x = 4,832.70

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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.