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Finding the Fourth Proportional to 8,522.76, 12,778.74 and 3,595.80

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Solution

The fourth proportional to 8,522.76, 12,778.74 and 3,595.80 is: 5,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.76 : 12,778.74 = 3,595.80 : x
  2. Step 2: Convert to fraction form
    8,522.76/12,778.74 = 3,595.80/x
  3. Step 3: Cross multiply
    8,522.76x = 12,778.74 × 3,595.80
  4. Step 4: Simplify right side
    8,522.76x = 45,949,793.29
  5. Step 5: Solve for x
    x = 45,949,793.29/8,522.76
  6. Step 6: Final answer
    x = 5,391.42

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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.