Home / 7,175.89-10,763.82-1,981.75

Finding the Fourth Proportional to 7,175.89, 10,763.82 and 1,981.75

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Solution

The fourth proportional to 7,175.89, 10,763.82 and 1,981.75 is: 2,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.89 : 10,763.82 = 1,981.75 : x
  2. Step 2: Convert to fraction form
    7,175.89/10,763.82 = 1,981.75/x
  3. Step 3: Cross multiply
    7,175.89x = 10,763.82 × 1,981.75
  4. Step 4: Simplify right side
    7,175.89x = 21,331,200.29
  5. Step 5: Solve for x
    x = 21,331,200.29/7,175.89
  6. Step 6: Final answer
    x = 2,972.62

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