Home / 5,221.62-7,831.64-1,522.85

Finding the Fourth Proportional to 5,221.62, 7,831.64 and 1,522.85

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Solution

The fourth proportional to 5,221.62, 7,831.64 and 1,522.85 is: 2,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.62 : 7,831.64 = 1,522.85 : x
  2. Step 2: Convert to fraction form
    5,221.62/7,831.64 = 1,522.85/x
  3. Step 3: Cross multiply
    5,221.62x = 7,831.64 × 1,522.85
  4. Step 4: Simplify right side
    5,221.62x = 11,926,366.20
  5. Step 5: Solve for x
    x = 11,926,366.20/5,221.62
  6. Step 6: Final answer
    x = 2,284.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.