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Finding the Fourth Proportional to 7,774.74, 10,732.77 and 4,981.86

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Solution

The fourth proportional to 7,774.74, 10,732.77 and 4,981.86 is: 6,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.74 : 10,732.77 = 4,981.86 : x
  2. Step 2: Convert to fraction form
    7,774.74/10,732.77 = 4,981.86/x
  3. Step 3: Cross multiply
    7,774.74x = 10,732.77 × 4,981.86
  4. Step 4: Simplify right side
    7,774.74x = 53,469,157.55
  5. Step 5: Solve for x
    x = 53,469,157.55/7,774.74
  6. Step 6: Final answer
    x = 6,877.29

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