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Finding the Fourth Proportional to 5,075.71, 7,613.79 and 1,788.83

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Solution

The fourth proportional to 5,075.71, 7,613.79 and 1,788.83 is: 2,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.71 : 7,613.79 = 1,788.83 : x
  2. Step 2: Convert to fraction form
    5,075.71/7,613.79 = 1,788.83/x
  3. Step 3: Cross multiply
    5,075.71x = 7,613.79 × 1,788.83
  4. Step 4: Simplify right side
    5,075.71x = 13,619,775.97
  5. Step 5: Solve for x
    x = 13,619,775.97/5,075.71
  6. Step 6: Final answer
    x = 2,683.33

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