Home / 4,511.10-6,766.14-2,138.61

Finding the Fourth Proportional to 4,511.10, 6,766.14 and 2,138.61

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Solution

The fourth proportional to 4,511.10, 6,766.14 and 2,138.61 is: 3,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.10 : 6,766.14 = 2,138.61 : x
  2. Step 2: Convert to fraction form
    4,511.10/6,766.14 = 2,138.61/x
  3. Step 3: Cross multiply
    4,511.10x = 6,766.14 × 2,138.61
  4. Step 4: Simplify right side
    4,511.10x = 14,470,134.67
  5. Step 5: Solve for x
    x = 14,470,134.67/4,511.10
  6. Step 6: Final answer
    x = 3,207.67

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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.