Home / 8,227.13-12,339.32-2,961.09

Finding the Fourth Proportional to 8,227.13, 12,339.32 and 2,961.09

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Solution

The fourth proportional to 8,227.13, 12,339.32 and 2,961.09 is: 4,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.13 : 12,339.32 = 2,961.09 : x
  2. Step 2: Convert to fraction form
    8,227.13/12,339.32 = 2,961.09/x
  3. Step 3: Cross multiply
    8,227.13x = 12,339.32 × 2,961.09
  4. Step 4: Simplify right side
    8,227.13x = 36,537,822.25
  5. Step 5: Solve for x
    x = 36,537,822.25/8,227.13
  6. Step 6: Final answer
    x = 4,441.14

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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.