Home / 8,184.28-12,278.46-2,340.94

Finding the Fourth Proportional to 8,184.28, 12,278.46 and 2,340.94

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Solution

The fourth proportional to 8,184.28, 12,278.46 and 2,340.94 is: 3,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.28 : 12,278.46 = 2,340.94 : x
  2. Step 2: Convert to fraction form
    8,184.28/12,278.46 = 2,340.94/x
  3. Step 3: Cross multiply
    8,184.28x = 12,278.46 × 2,340.94
  4. Step 4: Simplify right side
    8,184.28x = 28,743,138.15
  5. Step 5: Solve for x
    x = 28,743,138.15/8,184.28
  6. Step 6: Final answer
    x = 3,511.99

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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.