Home / 8,132.94-12,197.79-3,749.76

Finding the Fourth Proportional to 8,132.94, 12,197.79 and 3,749.76

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Solution

The fourth proportional to 8,132.94, 12,197.79 and 3,749.76 is: 5,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.94 : 12,197.79 = 3,749.76 : x
  2. Step 2: Convert to fraction form
    8,132.94/12,197.79 = 3,749.76/x
  3. Step 3: Cross multiply
    8,132.94x = 12,197.79 × 3,749.76
  4. Step 4: Simplify right side
    8,132.94x = 45,738,785.03
  5. Step 5: Solve for x
    x = 45,738,785.03/8,132.94
  6. Step 6: Final answer
    x = 5,623.89

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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.