Home / 7,988.12-11,981.82-3,060.08

Finding the Fourth Proportional to 7,988.12, 11,981.82 and 3,060.08

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Solution

The fourth proportional to 7,988.12, 11,981.82 and 3,060.08 is: 4,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.12 : 11,981.82 = 3,060.08 : x
  2. Step 2: Convert to fraction form
    7,988.12/11,981.82 = 3,060.08/x
  3. Step 3: Cross multiply
    7,988.12x = 11,981.82 × 3,060.08
  4. Step 4: Simplify right side
    7,988.12x = 36,665,327.75
  5. Step 5: Solve for x
    x = 36,665,327.75/7,988.12
  6. Step 6: Final answer
    x = 4,589.98

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