Home / 8,155.44-12,229.40-2,607.54

Finding the Fourth Proportional to 8,155.44, 12,229.40 and 2,607.54

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Solution

The fourth proportional to 8,155.44, 12,229.40 and 2,607.54 is: 3,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.44 : 12,229.40 = 2,607.54 : x
  2. Step 2: Convert to fraction form
    8,155.44/12,229.40 = 2,607.54/x
  3. Step 3: Cross multiply
    8,155.44x = 12,229.40 × 2,607.54
  4. Step 4: Simplify right side
    8,155.44x = 31,888,649.68
  5. Step 5: Solve for x
    x = 31,888,649.68/8,155.44
  6. Step 6: Final answer
    x = 3,910.11

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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.