Home / 5,680.44-8,515.64-2,215.26

Finding the Fourth Proportional to 5,680.44, 8,515.64 and 2,215.26

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Solution

The fourth proportional to 5,680.44, 8,515.64 and 2,215.26 is: 3,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.44 : 8,515.64 = 2,215.26 : x
  2. Step 2: Convert to fraction form
    5,680.44/8,515.64 = 2,215.26/x
  3. Step 3: Cross multiply
    5,680.44x = 8,515.64 × 2,215.26
  4. Step 4: Simplify right side
    5,680.44x = 18,864,356.67
  5. Step 5: Solve for x
    x = 18,864,356.67/5,680.44
  6. Step 6: Final answer
    x = 3,320.93

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