Home / 5,785.11-7,983.39-3,132.48

Finding the Fourth Proportional to 5,785.11, 7,983.39 and 3,132.48

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Solution

The fourth proportional to 5,785.11, 7,983.39 and 3,132.48 is: 4,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.11 : 7,983.39 = 3,132.48 : x
  2. Step 2: Convert to fraction form
    5,785.11/7,983.39 = 3,132.48/x
  3. Step 3: Cross multiply
    5,785.11x = 7,983.39 × 3,132.48
  4. Step 4: Simplify right side
    5,785.11x = 25,007,809.51
  5. Step 5: Solve for x
    x = 25,007,809.51/5,785.11
  6. Step 6: Final answer
    x = 4,322.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.