Home / 6,183.78-9,278.04-3,720.35

Finding the Fourth Proportional to 6,183.78, 9,278.04 and 3,720.35

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Solution

The fourth proportional to 6,183.78, 9,278.04 and 3,720.35 is: 5,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,183.78 : 9,278.04 = 3,720.35 : x
  2. Step 2: Convert to fraction form
    6,183.78/9,278.04 = 3,720.35/x
  3. Step 3: Cross multiply
    6,183.78x = 9,278.04 × 3,720.35
  4. Step 4: Simplify right side
    6,183.78x = 34,517,556.11
  5. Step 5: Solve for x
    x = 34,517,556.11/6,183.78
  6. Step 6: Final answer
    x = 5,581.95

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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.