Home / 8,081.13-12,129.86-5,743.77

Finding the Fourth Proportional to 8,081.13, 12,129.86 and 5,743.77

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Solution

The fourth proportional to 8,081.13, 12,129.86 and 5,743.77 is: 8,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.13 : 12,129.86 = 5,743.77 : x
  2. Step 2: Convert to fraction form
    8,081.13/12,129.86 = 5,743.77/x
  3. Step 3: Cross multiply
    8,081.13x = 12,129.86 × 5,743.77
  4. Step 4: Simplify right side
    8,081.13x = 69,671,125.97
  5. Step 5: Solve for x
    x = 69,671,125.97/8,081.13
  6. Step 6: Final answer
    x = 8,621.46

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