Home / 4,089.22-6,122.82-2,137.32

Finding the Fourth Proportional to 4,089.22, 6,122.82 and 2,137.32

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Solution

The fourth proportional to 4,089.22, 6,122.82 and 2,137.32 is: 3,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.22 : 6,122.82 = 2,137.32 : x
  2. Step 2: Convert to fraction form
    4,089.22/6,122.82 = 2,137.32/x
  3. Step 3: Cross multiply
    4,089.22x = 6,122.82 × 2,137.32
  4. Step 4: Simplify right side
    4,089.22x = 13,086,433.66
  5. Step 5: Solve for x
    x = 13,086,433.66/4,089.22
  6. Step 6: Final answer
    x = 3,200.23

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1.5x scale

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.