Home / 5,217.39-7,815.65-3,136.27

Finding the Fourth Proportional to 5,217.39, 7,815.65 and 3,136.27

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Solution

The fourth proportional to 5,217.39, 7,815.65 and 3,136.27 is: 4,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.39 : 7,815.65 = 3,136.27 : x
  2. Step 2: Convert to fraction form
    5,217.39/7,815.65 = 3,136.27/x
  3. Step 3: Cross multiply
    5,217.39x = 7,815.65 × 3,136.27
  4. Step 4: Simplify right side
    5,217.39x = 24,511,953.41
  5. Step 5: Solve for x
    x = 24,511,953.41/5,217.39
  6. Step 6: Final answer
    x = 4,698.13

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