Home / 5,785.37-7,983.79-3,132.77

Finding the Fourth Proportional to 5,785.37, 7,983.79 and 3,132.77

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Solution

The fourth proportional to 5,785.37, 7,983.79 and 3,132.77 is: 4,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.37 : 7,983.79 = 3,132.77 : x
  2. Step 2: Convert to fraction form
    5,785.37/7,983.79 = 3,132.77/x
  3. Step 3: Cross multiply
    5,785.37x = 7,983.79 × 3,132.77
  4. Step 4: Simplify right side
    5,785.37x = 25,011,377.80
  5. Step 5: Solve for x
    x = 25,011,377.80/5,785.37
  6. Step 6: Final answer
    x = 4,323.22

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Why These Related Problems?

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