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Finding the Fourth Proportional to 6,780.70, 10,172.67 and 4,836.70

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Solution

The fourth proportional to 6,780.70, 10,172.67 and 4,836.70 is: 7,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.70 : 10,172.67 = 4,836.70 : x
  2. Step 2: Convert to fraction form
    6,780.70/10,172.67 = 4,836.70/x
  3. Step 3: Cross multiply
    6,780.70x = 10,172.67 × 4,836.70
  4. Step 4: Simplify right side
    6,780.70x = 49,202,152.99
  5. Step 5: Solve for x
    x = 49,202,152.99/6,780.70
  6. Step 6: Final answer
    x = 7,256.21

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