Home / 5,440.19-8,160.29-1,977.71

Finding the Fourth Proportional to 5,440.19, 8,160.29 and 1,977.71

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Solution

The fourth proportional to 5,440.19, 8,160.29 and 1,977.71 is: 2,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.19 : 8,160.29 = 1,977.71 : x
  2. Step 2: Convert to fraction form
    5,440.19/8,160.29 = 1,977.71/x
  3. Step 3: Cross multiply
    5,440.19x = 8,160.29 × 1,977.71
  4. Step 4: Simplify right side
    5,440.19x = 16,138,636.45
  5. Step 5: Solve for x
    x = 16,138,636.45/5,440.19
  6. Step 6: Final answer
    x = 2,966.56

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