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Finding the Fourth Proportional to 7,110.78, 10,666.17 and 2,730.30

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Solution

The fourth proportional to 7,110.78, 10,666.17 and 2,730.30 is: 4,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.78 : 10,666.17 = 2,730.30 : x
  2. Step 2: Convert to fraction form
    7,110.78/10,666.17 = 2,730.30/x
  3. Step 3: Cross multiply
    7,110.78x = 10,666.17 × 2,730.30
  4. Step 4: Simplify right side
    7,110.78x = 29,121,843.95
  5. Step 5: Solve for x
    x = 29,121,843.95/7,110.78
  6. Step 6: Final answer
    x = 4,095.45

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