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Finding the Fourth Proportional to 5,308.22, 7,962.31 and 1,412.62

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Solution

The fourth proportional to 5,308.22, 7,962.31 and 1,412.62 is: 2,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.22 : 7,962.31 = 1,412.62 : x
  2. Step 2: Convert to fraction form
    5,308.22/7,962.31 = 1,412.62/x
  3. Step 3: Cross multiply
    5,308.22x = 7,962.31 × 1,412.62
  4. Step 4: Simplify right side
    5,308.22x = 11,247,730.07
  5. Step 5: Solve for x
    x = 11,247,730.07/5,308.22
  6. Step 6: Final answer
    x = 2,118.93

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