Home / 8,929.21-13,398.38-3,668.26

Finding the Fourth Proportional to 8,929.21, 13,398.38 and 3,668.26

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Solution

The fourth proportional to 8,929.21, 13,398.38 and 3,668.26 is: 5,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.21 : 13,398.38 = 3,668.26 : x
  2. Step 2: Convert to fraction form
    8,929.21/13,398.38 = 3,668.26/x
  3. Step 3: Cross multiply
    8,929.21x = 13,398.38 × 3,668.26
  4. Step 4: Simplify right side
    8,929.21x = 49,148,741.42
  5. Step 5: Solve for x
    x = 49,148,741.42/8,929.21
  6. Step 6: Final answer
    x = 5,504.27

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