Home / 5,670.42-8,508.87-2,206.86

Finding the Fourth Proportional to 5,670.42, 8,508.87 and 2,206.86

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Solution

The fourth proportional to 5,670.42, 8,508.87 and 2,206.86 is: 3,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.42 : 8,508.87 = 2,206.86 : x
  2. Step 2: Convert to fraction form
    5,670.42/8,508.87 = 2,206.86/x
  3. Step 3: Cross multiply
    5,670.42x = 8,508.87 × 2,206.86
  4. Step 4: Simplify right side
    5,670.42x = 18,777,884.85
  5. Step 5: Solve for x
    x = 18,777,884.85/5,670.42
  6. Step 6: Final answer
    x = 3,311.55

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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.