Home / 4,228.48-6,338.38-2,144.64

Finding the Fourth Proportional to 4,228.48, 6,338.38 and 2,144.64

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Solution

The fourth proportional to 4,228.48, 6,338.38 and 2,144.64 is: 3,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.48 : 6,338.38 = 2,144.64 : x
  2. Step 2: Convert to fraction form
    4,228.48/6,338.38 = 2,144.64/x
  3. Step 3: Cross multiply
    4,228.48x = 6,338.38 × 2,144.64
  4. Step 4: Simplify right side
    4,228.48x = 13,593,543.28
  5. Step 5: Solve for x
    x = 13,593,543.28/4,228.48
  6. Step 6: Final answer
    x = 3,214.76

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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.