Home / 4,228.20-6,366.60-3,256.20

Finding the Fourth Proportional to 4,228.20, 6,366.60 and 3,256.20

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Solution

The fourth proportional to 4,228.20, 6,366.60 and 3,256.20 is: 4,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.20 : 6,366.60 = 3,256.20 : x
  2. Step 2: Convert to fraction form
    4,228.20/6,366.60 = 3,256.20/x
  3. Step 3: Cross multiply
    4,228.20x = 6,366.60 × 3,256.20
  4. Step 4: Simplify right side
    4,228.20x = 20,730,922.92
  5. Step 5: Solve for x
    x = 20,730,922.92/4,228.20
  6. Step 6: Final answer
    x = 4,903.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.