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Finding the Fourth Proportional to 8,584.60, 12,875.70 and 2,741.80

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Solution

The fourth proportional to 8,584.60, 12,875.70 and 2,741.80 is: 4,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.60 : 12,875.70 = 2,741.80 : x
  2. Step 2: Convert to fraction form
    8,584.60/12,875.70 = 2,741.80/x
  3. Step 3: Cross multiply
    8,584.60x = 12,875.70 × 2,741.80
  4. Step 4: Simplify right side
    8,584.60x = 35,302,594.26
  5. Step 5: Solve for x
    x = 35,302,594.26/8,584.60
  6. Step 6: Final answer
    x = 4,112.32

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