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Finding the Fourth Proportional to 5,978, 8,970.24 and 2,900

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Solution

The fourth proportional to 5,978, 8,970.24 and 2,900 is: 4,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978 : 8,970.24 = 2,900 : x
  2. Step 2: Convert to fraction form
    5,978/8,970.24 = 2,900/x
  3. Step 3: Cross multiply
    5,978x = 8,970.24 × 2,900
  4. Step 4: Simplify right side
    5,978x = 26,013,696
  5. Step 5: Solve for x
    x = 26,013,696/5,978
  6. Step 6: Final answer
    x = 4,351.57

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