Home / 5,814.04-8,721.72-1,918.78

Finding the Fourth Proportional to 5,814.04, 8,721.72 and 1,918.78

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Solution

The fourth proportional to 5,814.04, 8,721.72 and 1,918.78 is: 2,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.04 : 8,721.72 = 1,918.78 : x
  2. Step 2: Convert to fraction form
    5,814.04/8,721.72 = 1,918.78/x
  3. Step 3: Cross multiply
    5,814.04x = 8,721.72 × 1,918.78
  4. Step 4: Simplify right side
    5,814.04x = 16,735,061.90
  5. Step 5: Solve for x
    x = 16,735,061.90/5,814.04
  6. Step 6: Final answer
    x = 2,878.39

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