Home / 4,228.72-6,338.64-2,150.26

Finding the Fourth Proportional to 4,228.72, 6,338.64 and 2,150.26

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Solution

The fourth proportional to 4,228.72, 6,338.64 and 2,150.26 is: 3,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.72 : 6,338.64 = 2,150.26 : x
  2. Step 2: Convert to fraction form
    4,228.72/6,338.64 = 2,150.26/x
  3. Step 3: Cross multiply
    4,228.72x = 6,338.64 × 2,150.26
  4. Step 4: Simplify right side
    4,228.72x = 13,629,724.05
  5. Step 5: Solve for x
    x = 13,629,724.05/4,228.72
  6. Step 6: Final answer
    x = 3,223.13

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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.