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Finding the Fourth Proportional to 8,415.30, 12,625.77 and 3,734.66

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Solution

The fourth proportional to 8,415.30, 12,625.77 and 3,734.66 is: 5,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.30 : 12,625.77 = 3,734.66 : x
  2. Step 2: Convert to fraction form
    8,415.30/12,625.77 = 3,734.66/x
  3. Step 3: Cross multiply
    8,415.30x = 12,625.77 × 3,734.66
  4. Step 4: Simplify right side
    8,415.30x = 47,152,958.19
  5. Step 5: Solve for x
    x = 47,152,958.19/8,415.30
  6. Step 6: Final answer
    x = 5,603.24

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