Home / 4,149.55-5,729.43-2,822.77

Finding the Fourth Proportional to 4,149.55, 5,729.43 and 2,822.77

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Solution

The fourth proportional to 4,149.55, 5,729.43 and 2,822.77 is: 3,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.55 : 5,729.43 = 2,822.77 : x
  2. Step 2: Convert to fraction form
    4,149.55/5,729.43 = 2,822.77/x
  3. Step 3: Cross multiply
    4,149.55x = 5,729.43 × 2,822.77
  4. Step 4: Simplify right side
    4,149.55x = 16,172,863.12
  5. Step 5: Solve for x
    x = 16,172,863.12/4,149.55
  6. Step 6: Final answer
    x = 3,897.50

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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.