Home / 4,486.18-6,728.37-2,819.56

Finding the Fourth Proportional to 4,486.18, 6,728.37 and 2,819.56

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Solution

The fourth proportional to 4,486.18, 6,728.37 and 2,819.56 is: 4,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.18 : 6,728.37 = 2,819.56 : x
  2. Step 2: Convert to fraction form
    4,486.18/6,728.37 = 2,819.56/x
  3. Step 3: Cross multiply
    4,486.18x = 6,728.37 × 2,819.56
  4. Step 4: Simplify right side
    4,486.18x = 18,971,042.92
  5. Step 5: Solve for x
    x = 18,971,042.92/4,486.18
  6. Step 6: Final answer
    x = 4,228.77

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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.