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Finding the Fourth Proportional to 5,206.80, 7,795.80 and 4,045.20

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Solution

The fourth proportional to 5,206.80, 7,795.80 and 4,045.20 is: 6,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.80 : 7,795.80 = 4,045.20 : x
  2. Step 2: Convert to fraction form
    5,206.80/7,795.80 = 4,045.20/x
  3. Step 3: Cross multiply
    5,206.80x = 7,795.80 × 4,045.20
  4. Step 4: Simplify right side
    5,206.80x = 31,535,570.16
  5. Step 5: Solve for x
    x = 31,535,570.16/5,206.80
  6. Step 6: Final answer
    x = 6,056.61

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