Home / 4,418.20-6,627.30-2,231.20

Finding the Fourth Proportional to 4,418.20, 6,627.30 and 2,231.20

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Solution

The fourth proportional to 4,418.20, 6,627.30 and 2,231.20 is: 3,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.20 : 6,627.30 = 2,231.20 : x
  2. Step 2: Convert to fraction form
    4,418.20/6,627.30 = 2,231.20/x
  3. Step 3: Cross multiply
    4,418.20x = 6,627.30 × 2,231.20
  4. Step 4: Simplify right side
    4,418.20x = 14,786,831.76
  5. Step 5: Solve for x
    x = 14,786,831.76/4,418.20
  6. Step 6: Final answer
    x = 3,346.80

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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.