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Finding the Fourth Proportional to 6,762.96, 10,149.15 and 2,380.77

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Solution

The fourth proportional to 6,762.96, 10,149.15 and 2,380.77 is: 3,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.96 : 10,149.15 = 2,380.77 : x
  2. Step 2: Convert to fraction form
    6,762.96/10,149.15 = 2,380.77/x
  3. Step 3: Cross multiply
    6,762.96x = 10,149.15 × 2,380.77
  4. Step 4: Simplify right side
    6,762.96x = 24,162,791.85
  5. Step 5: Solve for x
    x = 24,162,791.85/6,762.96
  6. Step 6: Final answer
    x = 3,572.81

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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.