Home / 7,832.81-11,746.48-3,151.60

Finding the Fourth Proportional to 7,832.81, 11,746.48 and 3,151.60

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Solution

The fourth proportional to 7,832.81, 11,746.48 and 3,151.60 is: 4,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.81 : 11,746.48 = 3,151.60 : x
  2. Step 2: Convert to fraction form
    7,832.81/11,746.48 = 3,151.60/x
  3. Step 3: Cross multiply
    7,832.81x = 11,746.48 × 3,151.60
  4. Step 4: Simplify right side
    7,832.81x = 37,020,235.20
  5. Step 5: Solve for x
    x = 37,020,235.20/7,832.81
  6. Step 6: Final answer
    x = 4,726.31

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