Home / 8,207.86-12,311.68-3,764.26

Finding the Fourth Proportional to 8,207.86, 12,311.68 and 3,764.26

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Solution

The fourth proportional to 8,207.86, 12,311.68 and 3,764.26 is: 5,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.86 : 12,311.68 = 3,764.26 : x
  2. Step 2: Convert to fraction form
    8,207.86/12,311.68 = 3,764.26/x
  3. Step 3: Cross multiply
    8,207.86x = 12,311.68 × 3,764.26
  4. Step 4: Simplify right side
    8,207.86x = 46,344,324.37
  5. Step 5: Solve for x
    x = 46,344,324.37/8,207.86
  6. Step 6: Final answer
    x = 5,646.34

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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.