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Finding the Fourth Proportional to 7,403.52, 10,212.80 and 4,747.98

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Solution

The fourth proportional to 7,403.52, 10,212.80 and 4,747.98 is: 6,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.52 : 10,212.80 = 4,747.98 : x
  2. Step 2: Convert to fraction form
    7,403.52/10,212.80 = 4,747.98/x
  3. Step 3: Cross multiply
    7,403.52x = 10,212.80 × 4,747.98
  4. Step 4: Simplify right side
    7,403.52x = 48,490,170.14
  5. Step 5: Solve for x
    x = 48,490,170.14/7,403.52
  6. Step 6: Final answer
    x = 6,549.61

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