Home / 5,138.22-7,692.75-3,284.73

Finding the Fourth Proportional to 5,138.22, 7,692.75 and 3,284.73

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Solution

The fourth proportional to 5,138.22, 7,692.75 and 3,284.73 is: 4,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.22 : 7,692.75 = 3,284.73 : x
  2. Step 2: Convert to fraction form
    5,138.22/7,692.75 = 3,284.73/x
  3. Step 3: Cross multiply
    5,138.22x = 7,692.75 × 3,284.73
  4. Step 4: Simplify right side
    5,138.22x = 25,268,606.71
  5. Step 5: Solve for x
    x = 25,268,606.71/5,138.22
  6. Step 6: Final answer
    x = 4,917.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.