Home / 4,511.80-6,768.66-1,914.76

Finding the Fourth Proportional to 4,511.80, 6,768.66 and 1,914.76

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Solution

The fourth proportional to 4,511.80, 6,768.66 and 1,914.76 is: 2,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.80 : 6,768.66 = 1,914.76 : x
  2. Step 2: Convert to fraction form
    4,511.80/6,768.66 = 1,914.76/x
  3. Step 3: Cross multiply
    4,511.80x = 6,768.66 × 1,914.76
  4. Step 4: Simplify right side
    4,511.80x = 12,960,359.42
  5. Step 5: Solve for x
    x = 12,960,359.42/4,511.80
  6. Step 6: Final answer
    x = 2,872.55

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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.