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Finding the Fourth Proportional to 7,569.65, 11,354.76 and 3,408.86

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Solution

The fourth proportional to 7,569.65, 11,354.76 and 3,408.86 is: 5,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.65 : 11,354.76 = 3,408.86 : x
  2. Step 2: Convert to fraction form
    7,569.65/11,354.76 = 3,408.86/x
  3. Step 3: Cross multiply
    7,569.65x = 11,354.76 × 3,408.86
  4. Step 4: Simplify right side
    7,569.65x = 38,706,787.17
  5. Step 5: Solve for x
    x = 38,706,787.17/7,569.65
  6. Step 6: Final answer
    x = 5,113.42

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