Home / 8,217.82-12,308.20-5,763.62

Finding the Fourth Proportional to 8,217.82, 12,308.20 and 5,763.62

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Solution

The fourth proportional to 8,217.82, 12,308.20 and 5,763.62 is: 8,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.82 : 12,308.20 = 5,763.62 : x
  2. Step 2: Convert to fraction form
    8,217.82/12,308.20 = 5,763.62/x
  3. Step 3: Cross multiply
    8,217.82x = 12,308.20 × 5,763.62
  4. Step 4: Simplify right side
    8,217.82x = 70,939,787.68
  5. Step 5: Solve for x
    x = 70,939,787.68/8,217.82
  6. Step 6: Final answer
    x = 8,632.43

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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.