Home / 4,002.21-6,003.38-1,228.92

Finding the Fourth Proportional to 4,002.21, 6,003.38 and 1,228.92

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Solution

The fourth proportional to 4,002.21, 6,003.38 and 1,228.92 is: 1,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.21 : 6,003.38 = 1,228.92 : x
  2. Step 2: Convert to fraction form
    4,002.21/6,003.38 = 1,228.92/x
  3. Step 3: Cross multiply
    4,002.21x = 6,003.38 × 1,228.92
  4. Step 4: Simplify right side
    4,002.21x = 7,377,673.75
  5. Step 5: Solve for x
    x = 7,377,673.75/4,002.21
  6. Step 6: Final answer
    x = 1,843.40

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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.