Home / 6,816.20-10,224.19-1,819.05

Finding the Fourth Proportional to 6,816.20, 10,224.19 and 1,819.05

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Solution

The fourth proportional to 6,816.20, 10,224.19 and 1,819.05 is: 2,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.20 : 10,224.19 = 1,819.05 : x
  2. Step 2: Convert to fraction form
    6,816.20/10,224.19 = 1,819.05/x
  3. Step 3: Cross multiply
    6,816.20x = 10,224.19 × 1,819.05
  4. Step 4: Simplify right side
    6,816.20x = 18,598,308.27
  5. Step 5: Solve for x
    x = 18,598,308.27/6,816.20
  6. Step 6: Final answer
    x = 2,728.55

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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.