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Finding the Fourth Proportional to 7,160.79, 10,738.56 and 2,479.59

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Solution

The fourth proportional to 7,160.79, 10,738.56 and 2,479.59 is: 3,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.79 : 10,738.56 = 2,479.59 : x
  2. Step 2: Convert to fraction form
    7,160.79/10,738.56 = 2,479.59/x
  3. Step 3: Cross multiply
    7,160.79x = 10,738.56 × 2,479.59
  4. Step 4: Simplify right side
    7,160.79x = 26,627,225.99
  5. Step 5: Solve for x
    x = 26,627,225.99/7,160.79
  6. Step 6: Final answer
    x = 3,718.48

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