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Finding the Fourth Proportional to 9,214.03, 13,820.95 and 2,640.20

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Solution

The fourth proportional to 9,214.03, 13,820.95 and 2,640.20 is: 3,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.03 : 13,820.95 = 2,640.20 : x
  2. Step 2: Convert to fraction form
    9,214.03/13,820.95 = 2,640.20/x
  3. Step 3: Cross multiply
    9,214.03x = 13,820.95 × 2,640.20
  4. Step 4: Simplify right side
    9,214.03x = 36,490,013.81
  5. Step 5: Solve for x
    x = 36,490,013.81/9,214.03
  6. Step 6: Final answer
    x = 3,960.27

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