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Finding the Fourth Proportional to 5,080.47, 7,621.32 and 1,792.89

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Solution

The fourth proportional to 5,080.47, 7,621.32 and 1,792.89 is: 2,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.47 : 7,621.32 = 1,792.89 : x
  2. Step 2: Convert to fraction form
    5,080.47/7,621.32 = 1,792.89/x
  3. Step 3: Cross multiply
    5,080.47x = 7,621.32 × 1,792.89
  4. Step 4: Simplify right side
    5,080.47x = 13,664,188.41
  5. Step 5: Solve for x
    x = 13,664,188.41/5,080.47
  6. Step 6: Final answer
    x = 2,689.55

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