Home / 4,819.80-7,228.59-2,220.24

Finding the Fourth Proportional to 4,819.80, 7,228.59 and 2,220.24

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Solution

The fourth proportional to 4,819.80, 7,228.59 and 2,220.24 is: 3,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.80 : 7,228.59 = 2,220.24 : x
  2. Step 2: Convert to fraction form
    4,819.80/7,228.59 = 2,220.24/x
  3. Step 3: Cross multiply
    4,819.80x = 7,228.59 × 2,220.24
  4. Step 4: Simplify right side
    4,819.80x = 16,049,204.66
  5. Step 5: Solve for x
    x = 16,049,204.66/4,819.80
  6. Step 6: Final answer
    x = 3,329.85

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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.