Home / 4,917.75-7,378.07-1,455.09

Finding the Fourth Proportional to 4,917.75, 7,378.07 and 1,455.09

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Solution

The fourth proportional to 4,917.75, 7,378.07 and 1,455.09 is: 2,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.75 : 7,378.07 = 1,455.09 : x
  2. Step 2: Convert to fraction form
    4,917.75/7,378.07 = 1,455.09/x
  3. Step 3: Cross multiply
    4,917.75x = 7,378.07 × 1,455.09
  4. Step 4: Simplify right side
    4,917.75x = 10,735,755.88
  5. Step 5: Solve for x
    x = 10,735,755.88/4,917.75
  6. Step 6: Final answer
    x = 2,183.06

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1.5x scale

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.