Home / 7,988.23-11,977.85-5,492.35

Finding the Fourth Proportional to 7,988.23, 11,977.85 and 5,492.35

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Solution

The fourth proportional to 7,988.23, 11,977.85 and 5,492.35 is: 8,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.23 : 11,977.85 = 5,492.35 : x
  2. Step 2: Convert to fraction form
    7,988.23/11,977.85 = 5,492.35/x
  3. Step 3: Cross multiply
    7,988.23x = 11,977.85 × 5,492.35
  4. Step 4: Simplify right side
    7,988.23x = 65,786,528.23
  5. Step 5: Solve for x
    x = 65,786,528.23/7,988.23
  6. Step 6: Final answer
    x = 8,235.43

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