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Finding the Fourth Proportional to 7,255.74, 10,015.20 and 4,114.02

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Solution

The fourth proportional to 7,255.74, 10,015.20 and 4,114.02 is: 5,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.74 : 10,015.20 = 4,114.02 : x
  2. Step 2: Convert to fraction form
    7,255.74/10,015.20 = 4,114.02/x
  3. Step 3: Cross multiply
    7,255.74x = 10,015.20 × 4,114.02
  4. Step 4: Simplify right side
    7,255.74x = 41,202,733.10
  5. Step 5: Solve for x
    x = 41,202,733.10/7,255.74
  6. Step 6: Final answer
    x = 5,678.64

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