Home / 7,442.14-11,157.73-3,549.28

Finding the Fourth Proportional to 7,442.14, 11,157.73 and 3,549.28

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Solution

The fourth proportional to 7,442.14, 11,157.73 and 3,549.28 is: 5,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.14 : 11,157.73 = 3,549.28 : x
  2. Step 2: Convert to fraction form
    7,442.14/11,157.73 = 3,549.28/x
  3. Step 3: Cross multiply
    7,442.14x = 11,157.73 × 3,549.28
  4. Step 4: Simplify right side
    7,442.14x = 39,601,907.93
  5. Step 5: Solve for x
    x = 39,601,907.93/7,442.14
  6. Step 6: Final answer
    x = 5,321.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.