Home / 7,604.68-11,408.78-3,222.31

Finding the Fourth Proportional to 7,604.68, 11,408.78 and 3,222.31

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Solution

The fourth proportional to 7,604.68, 11,408.78 and 3,222.31 is: 4,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.68 : 11,408.78 = 3,222.31 : x
  2. Step 2: Convert to fraction form
    7,604.68/11,408.78 = 3,222.31/x
  3. Step 3: Cross multiply
    7,604.68x = 11,408.78 × 3,222.31
  4. Step 4: Simplify right side
    7,604.68x = 36,762,609.77
  5. Step 5: Solve for x
    x = 36,762,609.77/7,604.68
  6. Step 6: Final answer
    x = 4,834.21

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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.