Home / 8,144.22-12,216.30-3,759.28

Finding the Fourth Proportional to 8,144.22, 12,216.30 and 3,759.28

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Solution

The fourth proportional to 8,144.22, 12,216.30 and 3,759.28 is: 5,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.22 : 12,216.30 = 3,759.28 : x
  2. Step 2: Convert to fraction form
    8,144.22/12,216.30 = 3,759.28/x
  3. Step 3: Cross multiply
    8,144.22x = 12,216.30 × 3,759.28
  4. Step 4: Simplify right side
    8,144.22x = 45,924,492.26
  5. Step 5: Solve for x
    x = 45,924,492.26/8,144.22
  6. Step 6: Final answer
    x = 5,638.91

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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.