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Finding the Fourth Proportional to 7,301.92, 10,931.52 and 6,551.68

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Solution

The fourth proportional to 7,301.92, 10,931.52 and 6,551.68 is: 9,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.92 : 10,931.52 = 6,551.68 : x
  2. Step 2: Convert to fraction form
    7,301.92/10,931.52 = 6,551.68/x
  3. Step 3: Cross multiply
    7,301.92x = 10,931.52 × 6,551.68
  4. Step 4: Simplify right side
    7,301.92x = 71,619,820.95
  5. Step 5: Solve for x
    x = 71,619,820.95/7,301.92
  6. Step 6: Final answer
    x = 9,808.35

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