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Finding the Fourth Proportional to 6,989.92, 10,486.25 and 2,309.74

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Solution

The fourth proportional to 6,989.92, 10,486.25 and 2,309.74 is: 3,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.92 : 10,486.25 = 2,309.74 : x
  2. Step 2: Convert to fraction form
    6,989.92/10,486.25 = 2,309.74/x
  3. Step 3: Cross multiply
    6,989.92x = 10,486.25 × 2,309.74
  4. Step 4: Simplify right side
    6,989.92x = 24,220,511.08
  5. Step 5: Solve for x
    x = 24,220,511.08/6,989.92
  6. Step 6: Final answer
    x = 3,465.06

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