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Finding the Fourth Proportional to 5,293.76, 7,940.96 and 1,783.47

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Solution

The fourth proportional to 5,293.76, 7,940.96 and 1,783.47 is: 2,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.76 : 7,940.96 = 1,783.47 : x
  2. Step 2: Convert to fraction form
    5,293.76/7,940.96 = 1,783.47/x
  3. Step 3: Cross multiply
    5,293.76x = 7,940.96 × 1,783.47
  4. Step 4: Simplify right side
    5,293.76x = 14,162,468.39
  5. Step 5: Solve for x
    x = 14,162,468.39/5,293.76
  6. Step 6: Final answer
    x = 2,675.32

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