Home / 5,512.32-8,262-2,221.02

Finding the Fourth Proportional to 5,512.32, 8,262 and 2,221.02

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Solution

The fourth proportional to 5,512.32, 8,262 and 2,221.02 is: 3,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.32 : 8,262 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    5,512.32/8,262 = 2,221.02/x
  3. Step 3: Cross multiply
    5,512.32x = 8,262 × 2,221.02
  4. Step 4: Simplify right side
    5,512.32x = 18,350,067.24
  5. Step 5: Solve for x
    x = 18,350,067.24/5,512.32
  6. Step 6: Final answer
    x = 3,328.92

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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.