Home / 4,197.11-5,785.94-2,778.42

Finding the Fourth Proportional to 4,197.11, 5,785.94 and 2,778.42

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Solution

The fourth proportional to 4,197.11, 5,785.94 and 2,778.42 is: 3,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.11 : 5,785.94 = 2,778.42 : x
  2. Step 2: Convert to fraction form
    4,197.11/5,785.94 = 2,778.42/x
  3. Step 3: Cross multiply
    4,197.11x = 5,785.94 × 2,778.42
  4. Step 4: Simplify right side
    4,197.11x = 16,075,771.41
  5. Step 5: Solve for x
    x = 16,075,771.41/4,197.11
  6. Step 6: Final answer
    x = 3,830.20

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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.