Home / 4,918.50-7,378.97-1,455.75

Finding the Fourth Proportional to 4,918.50, 7,378.97 and 1,455.75

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Solution

The fourth proportional to 4,918.50, 7,378.97 and 1,455.75 is: 2,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.50 : 7,378.97 = 1,455.75 : x
  2. Step 2: Convert to fraction form
    4,918.50/7,378.97 = 1,455.75/x
  3. Step 3: Cross multiply
    4,918.50x = 7,378.97 × 1,455.75
  4. Step 4: Simplify right side
    4,918.50x = 10,741,928.30
  5. Step 5: Solve for x
    x = 10,741,928.30/4,918.50
  6. Step 6: Final answer
    x = 2,183.98

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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.