Home / 4,822.20-7,231.68-2,224.80

Finding the Fourth Proportional to 4,822.20, 7,231.68 and 2,224.80

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Solution

The fourth proportional to 4,822.20, 7,231.68 and 2,224.80 is: 3,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.20 : 7,231.68 = 2,224.80 : x
  2. Step 2: Convert to fraction form
    4,822.20/7,231.68 = 2,224.80/x
  3. Step 3: Cross multiply
    4,822.20x = 7,231.68 × 2,224.80
  4. Step 4: Simplify right side
    4,822.20x = 16,089,041.66
  5. Step 5: Solve for x
    x = 16,089,041.66/4,822.20
  6. Step 6: Final answer
    x = 3,336.45

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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.