Home / 8,143.18-12,205.33-3,751.41

Finding the Fourth Proportional to 8,143.18, 12,205.33 and 3,751.41

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Solution

The fourth proportional to 8,143.18, 12,205.33 and 3,751.41 is: 5,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.18 : 12,205.33 = 3,751.41 : x
  2. Step 2: Convert to fraction form
    8,143.18/12,205.33 = 3,751.41/x
  3. Step 3: Cross multiply
    8,143.18x = 12,205.33 × 3,751.41
  4. Step 4: Simplify right side
    8,143.18x = 45,787,178.26
  5. Step 5: Solve for x
    x = 45,787,178.26/8,143.18
  6. Step 6: Final answer
    x = 5,622.77

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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.