Home / 5,722.20-8,575.20-4,229.79

Finding the Fourth Proportional to 5,722.20, 8,575.20 and 4,229.79

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Solution

The fourth proportional to 5,722.20, 8,575.20 and 4,229.79 is: 6,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.20 : 8,575.20 = 4,229.79 : x
  2. Step 2: Convert to fraction form
    5,722.20/8,575.20 = 4,229.79/x
  3. Step 3: Cross multiply
    5,722.20x = 8,575.20 × 4,229.79
  4. Step 4: Simplify right side
    5,722.20x = 36,271,295.21
  5. Step 5: Solve for x
    x = 36,271,295.21/5,722.20
  6. Step 6: Final answer
    x = 6,338.70

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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.