Home / 4,122.74-6,183.44-1,200.36

Finding the Fourth Proportional to 4,122.74, 6,183.44 and 1,200.36

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Solution

The fourth proportional to 4,122.74, 6,183.44 and 1,200.36 is: 1,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.74 : 6,183.44 = 1,200.36 : x
  2. Step 2: Convert to fraction form
    4,122.74/6,183.44 = 1,200.36/x
  3. Step 3: Cross multiply
    4,122.74x = 6,183.44 × 1,200.36
  4. Step 4: Simplify right side
    4,122.74x = 7,422,354.04
  5. Step 5: Solve for x
    x = 7,422,354.04/4,122.74
  6. Step 6: Final answer
    x = 1,800.34

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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.