Home / 6,818.43-10,220.34-3,528.21

Finding the Fourth Proportional to 6,818.43, 10,220.34 and 3,528.21

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Solution

The fourth proportional to 6,818.43, 10,220.34 and 3,528.21 is: 5,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.43 : 10,220.34 = 3,528.21 : x
  2. Step 2: Convert to fraction form
    6,818.43/10,220.34 = 3,528.21/x
  3. Step 3: Cross multiply
    6,818.43x = 10,220.34 × 3,528.21
  4. Step 4: Simplify right side
    6,818.43x = 36,059,505.79
  5. Step 5: Solve for x
    x = 36,059,505.79/6,818.43
  6. Step 6: Final answer
    x = 5,288.54

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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.