Home / 4,137.15-5,709.94-3,021.78

Finding the Fourth Proportional to 4,137.15, 5,709.94 and 3,021.78

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Solution

The fourth proportional to 4,137.15, 5,709.94 and 3,021.78 is: 4,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.15 : 5,709.94 = 3,021.78 : x
  2. Step 2: Convert to fraction form
    4,137.15/5,709.94 = 3,021.78/x
  3. Step 3: Cross multiply
    4,137.15x = 5,709.94 × 3,021.78
  4. Step 4: Simplify right side
    4,137.15x = 17,254,174.94
  5. Step 5: Solve for x
    x = 17,254,174.94/4,137.15
  6. Step 6: Final answer
    x = 4,170.55

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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.