Home / 8,267.96-11,401.20-6,379.85

Finding the Fourth Proportional to 8,267.96, 11,401.20 and 6,379.85

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Solution

The fourth proportional to 8,267.96, 11,401.20 and 6,379.85 is: 8,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.96 : 11,401.20 = 6,379.85 : x
  2. Step 2: Convert to fraction form
    8,267.96/11,401.20 = 6,379.85/x
  3. Step 3: Cross multiply
    8,267.96x = 11,401.20 × 6,379.85
  4. Step 4: Simplify right side
    8,267.96x = 72,737,888.81
  5. Step 5: Solve for x
    x = 72,737,888.81/8,267.96
  6. Step 6: Final answer
    x = 8,797.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.