Home / 8,149.83-12,230.87-3,770.36

Finding the Fourth Proportional to 8,149.83, 12,230.87 and 3,770.36

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Solution

The fourth proportional to 8,149.83, 12,230.87 and 3,770.36 is: 5,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.83 : 12,230.87 = 3,770.36 : x
  2. Step 2: Convert to fraction form
    8,149.83/12,230.87 = 3,770.36/x
  3. Step 3: Cross multiply
    8,149.83x = 12,230.87 × 3,770.36
  4. Step 4: Simplify right side
    8,149.83x = 46,114,748.87
  5. Step 5: Solve for x
    x = 46,114,748.87/8,149.83
  6. Step 6: Final answer
    x = 5,658.37

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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.