Home / 8,135.70-12,198.06-3,750.76

Finding the Fourth Proportional to 8,135.70, 12,198.06 and 3,750.76

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Solution

The fourth proportional to 8,135.70, 12,198.06 and 3,750.76 is: 5,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.70 : 12,198.06 = 3,750.76 : x
  2. Step 2: Convert to fraction form
    8,135.70/12,198.06 = 3,750.76/x
  3. Step 3: Cross multiply
    8,135.70x = 12,198.06 × 3,750.76
  4. Step 4: Simplify right side
    8,135.70x = 45,751,995.53
  5. Step 5: Solve for x
    x = 45,751,995.53/8,135.70
  6. Step 6: Final answer
    x = 5,623.61

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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.