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Finding the Fourth Proportional to 6,445.56, 9,668.58 and 1,828.56

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Solution

The fourth proportional to 6,445.56, 9,668.58 and 1,828.56 is: 2,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.56 : 9,668.58 = 1,828.56 : x
  2. Step 2: Convert to fraction form
    6,445.56/9,668.58 = 1,828.56/x
  3. Step 3: Cross multiply
    6,445.56x = 9,668.58 × 1,828.56
  4. Step 4: Simplify right side
    6,445.56x = 17,679,578.64
  5. Step 5: Solve for x
    x = 17,679,578.64/6,445.56
  6. Step 6: Final answer
    x = 2,742.91

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