Home / 4,121.64-6,183.48-1,200.24

Finding the Fourth Proportional to 4,121.64, 6,183.48 and 1,200.24

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Solution

The fourth proportional to 4,121.64, 6,183.48 and 1,200.24 is: 1,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.64 : 6,183.48 = 1,200.24 : x
  2. Step 2: Convert to fraction form
    4,121.64/6,183.48 = 1,200.24/x
  3. Step 3: Cross multiply
    4,121.64x = 6,183.48 × 1,200.24
  4. Step 4: Simplify right side
    4,121.64x = 7,421,660.04
  5. Step 5: Solve for x
    x = 7,421,660.04/4,121.64
  6. Step 6: Final answer
    x = 1,800.66

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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.