Home / 8,586.69-12,880.04-2,743.76

Finding the Fourth Proportional to 8,586.69, 12,880.04 and 2,743.76

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Solution

The fourth proportional to 8,586.69, 12,880.04 and 2,743.76 is: 4,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.69 : 12,880.04 = 2,743.76 : x
  2. Step 2: Convert to fraction form
    8,586.69/12,880.04 = 2,743.76/x
  3. Step 3: Cross multiply
    8,586.69x = 12,880.04 × 2,743.76
  4. Step 4: Simplify right side
    8,586.69x = 35,339,660.43
  5. Step 5: Solve for x
    x = 35,339,660.43/8,586.69
  6. Step 6: Final answer
    x = 4,115.63

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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.