Home / 4,129.93-6,180.51-3,380.89

Finding the Fourth Proportional to 4,129.93, 6,180.51 and 3,380.89

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Solution

The fourth proportional to 4,129.93, 6,180.51 and 3,380.89 is: 5,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.93 : 6,180.51 = 3,380.89 : x
  2. Step 2: Convert to fraction form
    4,129.93/6,180.51 = 3,380.89/x
  3. Step 3: Cross multiply
    4,129.93x = 6,180.51 × 3,380.89
  4. Step 4: Simplify right side
    4,129.93x = 20,895,624.45
  5. Step 5: Solve for x
    x = 20,895,624.45/4,129.93
  6. Step 6: Final answer
    x = 5,059.56

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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.