Home / 3,376.11-5,063.81-911.18

Finding the Fourth Proportional to 3,376.11, 5,063.81 and 911.18

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Solution

The fourth proportional to 3,376.11, 5,063.81 and 911.18 is: 1,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.11 : 5,063.81 = 911.18 : x
  2. Step 2: Convert to fraction form
    3,376.11/5,063.81 = 911.18/x
  3. Step 3: Cross multiply
    3,376.11x = 5,063.81 × 911.18
  4. Step 4: Simplify right side
    3,376.11x = 4,614,012.52
  5. Step 5: Solve for x
    x = 4,614,012.52/3,376.11
  6. Step 6: Final answer
    x = 1,366.67

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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.