Home / 7,389.28-11,083.92-3,005.74

Finding the Fourth Proportional to 7,389.28, 11,083.92 and 3,005.74

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Solution

The fourth proportional to 7,389.28, 11,083.92 and 3,005.74 is: 4,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.28 : 11,083.92 = 3,005.74 : x
  2. Step 2: Convert to fraction form
    7,389.28/11,083.92 = 3,005.74/x
  3. Step 3: Cross multiply
    7,389.28x = 11,083.92 × 3,005.74
  4. Step 4: Simplify right side
    7,389.28x = 33,315,381.70
  5. Step 5: Solve for x
    x = 33,315,381.70/7,389.28
  6. Step 6: Final answer
    x = 4,508.61

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