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Finding the Fourth Proportional to 5,673.58, 7,829.67 and 3,155.86

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Solution

The fourth proportional to 5,673.58, 7,829.67 and 3,155.86 is: 4,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.58 : 7,829.67 = 3,155.86 : x
  2. Step 2: Convert to fraction form
    5,673.58/7,829.67 = 3,155.86/x
  3. Step 3: Cross multiply
    5,673.58x = 7,829.67 × 3,155.86
  4. Step 4: Simplify right side
    5,673.58x = 24,709,342.37
  5. Step 5: Solve for x
    x = 24,709,342.37/5,673.58
  6. Step 6: Final answer
    x = 4,355.16

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