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Finding the Fourth Proportional to 6,272.96, 9,409.48 and 1,890.40

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Solution

The fourth proportional to 6,272.96, 9,409.48 and 1,890.40 is: 2,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.96 : 9,409.48 = 1,890.40 : x
  2. Step 2: Convert to fraction form
    6,272.96/9,409.48 = 1,890.40/x
  3. Step 3: Cross multiply
    6,272.96x = 9,409.48 × 1,890.40
  4. Step 4: Simplify right side
    6,272.96x = 17,787,680.99
  5. Step 5: Solve for x
    x = 17,787,680.99/6,272.96
  6. Step 6: Final answer
    x = 2,835.61

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