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Finding the Fourth Proportional to 7,315.08, 10,971.64 and 4,184.92

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Solution

The fourth proportional to 7,315.08, 10,971.64 and 4,184.92 is: 6,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.08 : 10,971.64 = 4,184.92 : x
  2. Step 2: Convert to fraction form
    7,315.08/10,971.64 = 4,184.92/x
  3. Step 3: Cross multiply
    7,315.08x = 10,971.64 × 4,184.92
  4. Step 4: Simplify right side
    7,315.08x = 45,915,435.67
  5. Step 5: Solve for x
    x = 45,915,435.67/7,315.08
  6. Step 6: Final answer
    x = 6,276.82

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