Home / 5,947.80-8,921.79-2,251.76

Finding the Fourth Proportional to 5,947.80, 8,921.79 and 2,251.76

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Solution

The fourth proportional to 5,947.80, 8,921.79 and 2,251.76 is: 3,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.80 : 8,921.79 = 2,251.76 : x
  2. Step 2: Convert to fraction form
    5,947.80/8,921.79 = 2,251.76/x
  3. Step 3: Cross multiply
    5,947.80x = 8,921.79 × 2,251.76
  4. Step 4: Simplify right side
    5,947.80x = 20,089,729.85
  5. Step 5: Solve for x
    x = 20,089,729.85/5,947.80
  6. Step 6: Final answer
    x = 3,377.67

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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.