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Finding the Fourth Proportional to 6,703.72, 10,056.47 and 2,807.21

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Solution

The fourth proportional to 6,703.72, 10,056.47 and 2,807.21 is: 4,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.72 : 10,056.47 = 2,807.21 : x
  2. Step 2: Convert to fraction form
    6,703.72/10,056.47 = 2,807.21/x
  3. Step 3: Cross multiply
    6,703.72x = 10,056.47 × 2,807.21
  4. Step 4: Simplify right side
    6,703.72x = 28,230,623.15
  5. Step 5: Solve for x
    x = 28,230,623.15/6,703.72
  6. Step 6: Final answer
    x = 4,211.19

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