Home / 4,119.40-6,183.90-2,477.80

Finding the Fourth Proportional to 4,119.40, 6,183.90 and 2,477.80

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Solution

The fourth proportional to 4,119.40, 6,183.90 and 2,477.80 is: 3,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.40 : 6,183.90 = 2,477.80 : x
  2. Step 2: Convert to fraction form
    4,119.40/6,183.90 = 2,477.80/x
  3. Step 3: Cross multiply
    4,119.40x = 6,183.90 × 2,477.80
  4. Step 4: Simplify right side
    4,119.40x = 15,322,467.42
  5. Step 5: Solve for x
    x = 15,322,467.42/4,119.40
  6. Step 6: Final answer
    x = 3,719.59

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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.