Home / 5,239.11-7,861.23-2,465.67

Finding the Fourth Proportional to 5,239.11, 7,861.23 and 2,465.67

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Solution

The fourth proportional to 5,239.11, 7,861.23 and 2,465.67 is: 3,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.11 : 7,861.23 = 2,465.67 : x
  2. Step 2: Convert to fraction form
    5,239.11/7,861.23 = 2,465.67/x
  3. Step 3: Cross multiply
    5,239.11x = 7,861.23 × 2,465.67
  4. Step 4: Simplify right side
    5,239.11x = 19,383,198.97
  5. Step 5: Solve for x
    x = 19,383,198.97/5,239.11
  6. Step 6: Final answer
    x = 3,699.71

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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.