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Finding the Fourth Proportional to 6,190.50, 8,543.04 and 3,396

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Solution

The fourth proportional to 6,190.50, 8,543.04 and 3,396 is: 4,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.50 : 8,543.04 = 3,396 : x
  2. Step 2: Convert to fraction form
    6,190.50/8,543.04 = 3,396/x
  3. Step 3: Cross multiply
    6,190.50x = 8,543.04 × 3,396
  4. Step 4: Simplify right side
    6,190.50x = 29,012,163.84
  5. Step 5: Solve for x
    x = 29,012,163.84/6,190.50
  6. Step 6: Final answer
    x = 4,686.56

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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.