Home / 5,206.19-7,806.05-2,431.67

Finding the Fourth Proportional to 5,206.19, 7,806.05 and 2,431.67

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Solution

The fourth proportional to 5,206.19, 7,806.05 and 2,431.67 is: 3,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.19 : 7,806.05 = 2,431.67 : x
  2. Step 2: Convert to fraction form
    5,206.19/7,806.05 = 2,431.67/x
  3. Step 3: Cross multiply
    5,206.19x = 7,806.05 × 2,431.67
  4. Step 4: Simplify right side
    5,206.19x = 18,981,725.45
  5. Step 5: Solve for x
    x = 18,981,725.45/5,206.19
  6. Step 6: Final answer
    x = 3,645.99

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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.