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Finding the Fourth Proportional to 8,255.70, 12,377.07 and 5,650.74

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Solution

The fourth proportional to 8,255.70, 12,377.07 and 5,650.74 is: 8,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.70 : 12,377.07 = 5,650.74 : x
  2. Step 2: Convert to fraction form
    8,255.70/12,377.07 = 5,650.74/x
  3. Step 3: Cross multiply
    8,255.70x = 12,377.07 × 5,650.74
  4. Step 4: Simplify right side
    8,255.70x = 69,939,604.53
  5. Step 5: Solve for x
    x = 69,939,604.53/8,255.70
  6. Step 6: Final answer
    x = 8,471.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.