Home / 6,366.20-8,783.76-3,849.80

Finding the Fourth Proportional to 6,366.20, 8,783.76 and 3,849.80

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Solution

The fourth proportional to 6,366.20, 8,783.76 and 3,849.80 is: 5,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.20 : 8,783.76 = 3,849.80 : x
  2. Step 2: Convert to fraction form
    6,366.20/8,783.76 = 3,849.80/x
  3. Step 3: Cross multiply
    6,366.20x = 8,783.76 × 3,849.80
  4. Step 4: Simplify right side
    6,366.20x = 33,815,719.25
  5. Step 5: Solve for x
    x = 33,815,719.25/6,366.20
  6. Step 6: Final answer
    x = 5,311.76

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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.