Home / 4,622.78-6,379.80-2,633.42

Finding the Fourth Proportional to 4,622.78, 6,379.80 and 2,633.42

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Solution

The fourth proportional to 4,622.78, 6,379.80 and 2,633.42 is: 3,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.78 : 6,379.80 = 2,633.42 : x
  2. Step 2: Convert to fraction form
    4,622.78/6,379.80 = 2,633.42/x
  3. Step 3: Cross multiply
    4,622.78x = 6,379.80 × 2,633.42
  4. Step 4: Simplify right side
    4,622.78x = 16,800,692.92
  5. Step 5: Solve for x
    x = 16,800,692.92/4,622.78
  6. Step 6: Final answer
    x = 3,634.33

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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.