Home / 8,948.41-13,422.75-3,105.21

Finding the Fourth Proportional to 8,948.41, 13,422.75 and 3,105.21

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Solution

The fourth proportional to 8,948.41, 13,422.75 and 3,105.21 is: 4,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.41 : 13,422.75 = 3,105.21 : x
  2. Step 2: Convert to fraction form
    8,948.41/13,422.75 = 3,105.21/x
  3. Step 3: Cross multiply
    8,948.41x = 13,422.75 × 3,105.21
  4. Step 4: Simplify right side
    8,948.41x = 41,680,457.53
  5. Step 5: Solve for x
    x = 41,680,457.53/8,948.41
  6. Step 6: Final answer
    x = 4,657.86

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