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Finding the Fourth Proportional to 7,800.74, 11,673.32 and 6,250.70

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Solution

The fourth proportional to 7,800.74, 11,673.32 and 6,250.70 is: 9,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.74 : 11,673.32 = 6,250.70 : x
  2. Step 2: Convert to fraction form
    7,800.74/11,673.32 = 6,250.70/x
  3. Step 3: Cross multiply
    7,800.74x = 11,673.32 × 6,250.70
  4. Step 4: Simplify right side
    7,800.74x = 72,966,421.32
  5. Step 5: Solve for x
    x = 72,966,421.32/7,800.74
  6. Step 6: Final answer
    x = 9,353.78

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