Home / 4,423.20-6,627.60-3,256.80

Finding the Fourth Proportional to 4,423.20, 6,627.60 and 3,256.80

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Solution

The fourth proportional to 4,423.20, 6,627.60 and 3,256.80 is: 4,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.20 : 6,627.60 = 3,256.80 : x
  2. Step 2: Convert to fraction form
    4,423.20/6,627.60 = 3,256.80/x
  3. Step 3: Cross multiply
    4,423.20x = 6,627.60 × 3,256.80
  4. Step 4: Simplify right side
    4,423.20x = 21,584,767.68
  5. Step 5: Solve for x
    x = 21,584,767.68/4,423.20
  6. Step 6: Final answer
    x = 4,879.90

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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.