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Finding the Fourth Proportional to 5,810.76, 8,021.70 and 3,957.48

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Solution

The fourth proportional to 5,810.76, 8,021.70 and 3,957.48 is: 5,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.76 : 8,021.70 = 3,957.48 : x
  2. Step 2: Convert to fraction form
    5,810.76/8,021.70 = 3,957.48/x
  3. Step 3: Cross multiply
    5,810.76x = 8,021.70 × 3,957.48
  4. Step 4: Simplify right side
    5,810.76x = 31,745,717.32
  5. Step 5: Solve for x
    x = 31,745,717.32/5,810.76
  6. Step 6: Final answer
    x = 5,463.26

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