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Finding the Fourth Proportional to 6,101.99, 8,420.65 and 3,449.31

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Solution

The fourth proportional to 6,101.99, 8,420.65 and 3,449.31 is: 4,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.99 : 8,420.65 = 3,449.31 : x
  2. Step 2: Convert to fraction form
    6,101.99/8,420.65 = 3,449.31/x
  3. Step 3: Cross multiply
    6,101.99x = 8,420.65 × 3,449.31
  4. Step 4: Simplify right side
    6,101.99x = 29,045,432.25
  5. Step 5: Solve for x
    x = 29,045,432.25/6,101.99
  6. Step 6: Final answer
    x = 4,759.99

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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.