Home / 4,511.16-6,766.85-2,138.68

Finding the Fourth Proportional to 4,511.16, 6,766.85 and 2,138.68

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Solution

The fourth proportional to 4,511.16, 6,766.85 and 2,138.68 is: 3,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.16 : 6,766.85 = 2,138.68 : x
  2. Step 2: Convert to fraction form
    4,511.16/6,766.85 = 2,138.68/x
  3. Step 3: Cross multiply
    4,511.16x = 6,766.85 × 2,138.68
  4. Step 4: Simplify right side
    4,511.16x = 14,472,116.06
  5. Step 5: Solve for x
    x = 14,472,116.06/4,511.16
  6. Step 6: Final answer
    x = 3,208.07

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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.