Home / 8,183.40-12,277.20-2,340.46

Finding the Fourth Proportional to 8,183.40, 12,277.20 and 2,340.46

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Solution

The fourth proportional to 8,183.40, 12,277.20 and 2,340.46 is: 3,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.40 : 12,277.20 = 2,340.46 : x
  2. Step 2: Convert to fraction form
    8,183.40/12,277.20 = 2,340.46/x
  3. Step 3: Cross multiply
    8,183.40x = 12,277.20 × 2,340.46
  4. Step 4: Simplify right side
    8,183.40x = 28,734,319.64
  5. Step 5: Solve for x
    x = 28,734,319.64/8,183.40
  6. Step 6: Final answer
    x = 3,511.30

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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.