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Finding the Fourth Proportional to 6,101.72, 8,420.02 and 3,449.68

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Solution

The fourth proportional to 6,101.72, 8,420.02 and 3,449.68 is: 4,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.72 : 8,420.02 = 3,449.68 : x
  2. Step 2: Convert to fraction form
    6,101.72/8,420.02 = 3,449.68/x
  3. Step 3: Cross multiply
    6,101.72x = 8,420.02 × 3,449.68
  4. Step 4: Simplify right side
    6,101.72x = 29,046,374.59
  5. Step 5: Solve for x
    x = 29,046,374.59/6,101.72
  6. Step 6: Final answer
    x = 4,760.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.