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Finding the Fourth Proportional to 7,540.49, 10,405.94 and 4,183.58

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Solution

The fourth proportional to 7,540.49, 10,405.94 and 4,183.58 is: 5,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.49 : 10,405.94 = 4,183.58 : x
  2. Step 2: Convert to fraction form
    7,540.49/10,405.94 = 4,183.58/x
  3. Step 3: Cross multiply
    7,540.49x = 10,405.94 × 4,183.58
  4. Step 4: Simplify right side
    7,540.49x = 43,534,009.52
  5. Step 5: Solve for x
    x = 43,534,009.52/7,540.49
  6. Step 6: Final answer
    x = 5,773.37

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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.