Home / 4,228.96-6,343.44-4,131.76

Finding the Fourth Proportional to 4,228.96, 6,343.44 and 4,131.76

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Solution

The fourth proportional to 4,228.96, 6,343.44 and 4,131.76 is: 6,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.96 : 6,343.44 = 4,131.76 : x
  2. Step 2: Convert to fraction form
    4,228.96/6,343.44 = 4,131.76/x
  3. Step 3: Cross multiply
    4,228.96x = 6,343.44 × 4,131.76
  4. Step 4: Simplify right side
    4,228.96x = 26,209,571.65
  5. Step 5: Solve for x
    x = 26,209,571.65/4,228.96
  6. Step 6: Final answer
    x = 6,197.64

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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.