Home / 7,667.29-11,500.95-2,120.93

Finding the Fourth Proportional to 7,667.29, 11,500.95 and 2,120.93

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Solution

The fourth proportional to 7,667.29, 11,500.95 and 2,120.93 is: 3,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.29 : 11,500.95 = 2,120.93 : x
  2. Step 2: Convert to fraction form
    7,667.29/11,500.95 = 2,120.93/x
  3. Step 3: Cross multiply
    7,667.29x = 11,500.95 × 2,120.93
  4. Step 4: Simplify right side
    7,667.29x = 24,392,652.38
  5. Step 5: Solve for x
    x = 24,392,652.38/7,667.29
  6. Step 6: Final answer
    x = 3,181.39

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