Home / 8,149.22-12,224.35-2,306.28

Finding the Fourth Proportional to 8,149.22, 12,224.35 and 2,306.28

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Solution

The fourth proportional to 8,149.22, 12,224.35 and 2,306.28 is: 3,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.22 : 12,224.35 = 2,306.28 : x
  2. Step 2: Convert to fraction form
    8,149.22/12,224.35 = 2,306.28/x
  3. Step 3: Cross multiply
    8,149.22x = 12,224.35 × 2,306.28
  4. Step 4: Simplify right side
    8,149.22x = 28,192,822.64
  5. Step 5: Solve for x
    x = 28,192,822.64/8,149.22
  6. Step 6: Final answer
    x = 3,459.57

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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.