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Finding the Fourth Proportional to 6,761.96, 10,147.64 and 2,379.76

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Solution

The fourth proportional to 6,761.96, 10,147.64 and 2,379.76 is: 3,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.96 : 10,147.64 = 2,379.76 : x
  2. Step 2: Convert to fraction form
    6,761.96/10,147.64 = 2,379.76/x
  3. Step 3: Cross multiply
    6,761.96x = 10,147.64 × 2,379.76
  4. Step 4: Simplify right side
    6,761.96x = 24,148,947.77
  5. Step 5: Solve for x
    x = 24,148,947.77/6,761.96
  6. Step 6: Final answer
    x = 3,571.29

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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.