Home / 6,818.20-9,409.89-3,793.62

Finding the Fourth Proportional to 6,818.20, 9,409.89 and 3,793.62

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Solution

The fourth proportional to 6,818.20, 9,409.89 and 3,793.62 is: 5,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.20 : 9,409.89 = 3,793.62 : x
  2. Step 2: Convert to fraction form
    6,818.20/9,409.89 = 3,793.62/x
  3. Step 3: Cross multiply
    6,818.20x = 9,409.89 × 3,793.62
  4. Step 4: Simplify right side
    6,818.20x = 35,697,546.90
  5. Step 5: Solve for x
    x = 35,697,546.90/6,818.20
  6. Step 6: Final answer
    x = 5,235.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.