Home / 8,269.09-12,408.49-3,271.94

Finding the Fourth Proportional to 8,269.09, 12,408.49 and 3,271.94

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Solution

The fourth proportional to 8,269.09, 12,408.49 and 3,271.94 is: 4,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.09 : 12,408.49 = 3,271.94 : x
  2. Step 2: Convert to fraction form
    8,269.09/12,408.49 = 3,271.94/x
  3. Step 3: Cross multiply
    8,269.09x = 12,408.49 × 3,271.94
  4. Step 4: Simplify right side
    8,269.09x = 40,599,834.77
  5. Step 5: Solve for x
    x = 40,599,834.77/8,269.09
  6. Step 6: Final answer
    x = 4,909.83

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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.