Home / 5,183.70-7,775.51-2,991.02

Finding the Fourth Proportional to 5,183.70, 7,775.51 and 2,991.02

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Solution

The fourth proportional to 5,183.70, 7,775.51 and 2,991.02 is: 4,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.70 : 7,775.51 = 2,991.02 : x
  2. Step 2: Convert to fraction form
    5,183.70/7,775.51 = 2,991.02/x
  3. Step 3: Cross multiply
    5,183.70x = 7,775.51 × 2,991.02
  4. Step 4: Simplify right side
    5,183.70x = 23,256,705.92
  5. Step 5: Solve for x
    x = 23,256,705.92/5,183.70
  6. Step 6: Final answer
    x = 4,486.51

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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.