Home / 5,772.62-7,966.19-3,120.02

Finding the Fourth Proportional to 5,772.62, 7,966.19 and 3,120.02

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Solution

The fourth proportional to 5,772.62, 7,966.19 and 3,120.02 is: 4,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.62 : 7,966.19 = 3,120.02 : x
  2. Step 2: Convert to fraction form
    5,772.62/7,966.19 = 3,120.02/x
  3. Step 3: Cross multiply
    5,772.62x = 7,966.19 × 3,120.02
  4. Step 4: Simplify right side
    5,772.62x = 24,854,648.03
  5. Step 5: Solve for x
    x = 24,854,648.03/5,772.62
  6. Step 6: Final answer
    x = 4,305.61

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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.