Home / 4,108.34-6,149.76-3,321.76

Finding the Fourth Proportional to 4,108.34, 6,149.76 and 3,321.76

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Solution

The fourth proportional to 4,108.34, 6,149.76 and 3,321.76 is: 4,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.34 : 6,149.76 = 3,321.76 : x
  2. Step 2: Convert to fraction form
    4,108.34/6,149.76 = 3,321.76/x
  3. Step 3: Cross multiply
    4,108.34x = 6,149.76 × 3,321.76
  4. Step 4: Simplify right side
    4,108.34x = 20,428,026.78
  5. Step 5: Solve for x
    x = 20,428,026.78/4,108.34
  6. Step 6: Final answer
    x = 4,972.33

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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.