Home / 4,007.20-6,003.60-3,272.80

Finding the Fourth Proportional to 4,007.20, 6,003.60 and 3,272.80

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Solution

The fourth proportional to 4,007.20, 6,003.60 and 3,272.80 is: 4,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.20 : 6,003.60 = 3,272.80 : x
  2. Step 2: Convert to fraction form
    4,007.20/6,003.60 = 3,272.80/x
  3. Step 3: Cross multiply
    4,007.20x = 6,003.60 × 3,272.80
  4. Step 4: Simplify right side
    4,007.20x = 19,648,582.08
  5. Step 5: Solve for x
    x = 19,648,582.08/4,007.20
  6. Step 6: Final answer
    x = 4,903.32

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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.