Home / 8,236.20-12,360.78-3,043.56

Finding the Fourth Proportional to 8,236.20, 12,360.78 and 3,043.56

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Solution

The fourth proportional to 8,236.20, 12,360.78 and 3,043.56 is: 4,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.20 : 12,360.78 = 3,043.56 : x
  2. Step 2: Convert to fraction form
    8,236.20/12,360.78 = 3,043.56/x
  3. Step 3: Cross multiply
    8,236.20x = 12,360.78 × 3,043.56
  4. Step 4: Simplify right side
    8,236.20x = 37,620,775.58
  5. Step 5: Solve for x
    x = 37,620,775.58/8,236.20
  6. Step 6: Final answer
    x = 4,567.73

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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.