Home / 4,183.88-5,775.36-2,858.28

Finding the Fourth Proportional to 4,183.88, 5,775.36 and 2,858.28

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Solution

The fourth proportional to 4,183.88, 5,775.36 and 2,858.28 is: 3,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.88 : 5,775.36 = 2,858.28 : x
  2. Step 2: Convert to fraction form
    4,183.88/5,775.36 = 2,858.28/x
  3. Step 3: Cross multiply
    4,183.88x = 5,775.36 × 2,858.28
  4. Step 4: Simplify right side
    4,183.88x = 16,507,595.98
  5. Step 5: Solve for x
    x = 16,507,595.98/4,183.88
  6. Step 6: Final answer
    x = 3,945.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.