Home / 6,174.17-8,520.11-3,379.67

Finding the Fourth Proportional to 6,174.17, 8,520.11 and 3,379.67

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Solution

The fourth proportional to 6,174.17, 8,520.11 and 3,379.67 is: 4,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.17 : 8,520.11 = 3,379.67 : x
  2. Step 2: Convert to fraction form
    6,174.17/8,520.11 = 3,379.67/x
  3. Step 3: Cross multiply
    6,174.17x = 8,520.11 × 3,379.67
  4. Step 4: Simplify right side
    6,174.17x = 28,795,143.27
  5. Step 5: Solve for x
    x = 28,795,143.27/6,174.17
  6. Step 6: Final answer
    x = 4,663.81

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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.