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Finding the Fourth Proportional to 6,931.92, 10,380.60 and 4,326.96

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Solution

The fourth proportional to 6,931.92, 10,380.60 and 4,326.96 is: 6,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.92 : 10,380.60 = 4,326.96 : x
  2. Step 2: Convert to fraction form
    6,931.92/10,380.60 = 4,326.96/x
  3. Step 3: Cross multiply
    6,931.92x = 10,380.60 × 4,326.96
  4. Step 4: Simplify right side
    6,931.92x = 44,916,440.98
  5. Step 5: Solve for x
    x = 44,916,440.98/6,931.92
  6. Step 6: Final answer
    x = 6,479.65

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