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Finding the Fourth Proportional to 5,065.76, 7,602.03 and 1,778.86

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Solution

The fourth proportional to 5,065.76, 7,602.03 and 1,778.86 is: 2,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.76 : 7,602.03 = 1,778.86 : x
  2. Step 2: Convert to fraction form
    5,065.76/7,602.03 = 1,778.86/x
  3. Step 3: Cross multiply
    5,065.76x = 7,602.03 × 1,778.86
  4. Step 4: Simplify right side
    5,065.76x = 13,522,947.09
  5. Step 5: Solve for x
    x = 13,522,947.09/5,065.76
  6. Step 6: Final answer
    x = 2,669.48

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