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Finding the Fourth Proportional to 4,610.63, 6,915.95 and 1,147.88

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Solution

The fourth proportional to 4,610.63, 6,915.95 and 1,147.88 is: 1,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.63 : 6,915.95 = 1,147.88 : x
  2. Step 2: Convert to fraction form
    4,610.63/6,915.95 = 1,147.88/x
  3. Step 3: Cross multiply
    4,610.63x = 6,915.95 × 1,147.88
  4. Step 4: Simplify right side
    4,610.63x = 7,938,640.37
  5. Step 5: Solve for x
    x = 7,938,640.37/4,610.63
  6. Step 6: Final answer
    x = 1,721.81

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