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Finding the Fourth Proportional to 5,146.25, 7,719.38 and 1,250.63

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Solution

The fourth proportional to 5,146.25, 7,719.38 and 1,250.63 is: 1,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.25 : 7,719.38 = 1,250.63 : x
  2. Step 2: Convert to fraction form
    5,146.25/7,719.38 = 1,250.63/x
  3. Step 3: Cross multiply
    5,146.25x = 7,719.38 × 1,250.63
  4. Step 4: Simplify right side
    5,146.25x = 9,654,110.63
  5. Step 5: Solve for x
    x = 9,654,110.63/5,146.25
  6. Step 6: Final answer
    x = 1,875.95

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