Home / 4,816.20-7,222.14-2,219.88

Finding the Fourth Proportional to 4,816.20, 7,222.14 and 2,219.88

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Solution

The fourth proportional to 4,816.20, 7,222.14 and 2,219.88 is: 3,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.20 : 7,222.14 = 2,219.88 : x
  2. Step 2: Convert to fraction form
    4,816.20/7,222.14 = 2,219.88/x
  3. Step 3: Cross multiply
    4,816.20x = 7,222.14 × 2,219.88
  4. Step 4: Simplify right side
    4,816.20x = 16,032,284.14
  5. Step 5: Solve for x
    x = 16,032,284.14/4,816.20
  6. Step 6: Final answer
    x = 3,328.82

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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.