Home / 8,308.38-12,464.49-3,692.70

Finding the Fourth Proportional to 8,308.38, 12,464.49 and 3,692.70

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Solution

The fourth proportional to 8,308.38, 12,464.49 and 3,692.70 is: 5,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.38 : 12,464.49 = 3,692.70 : x
  2. Step 2: Convert to fraction form
    8,308.38/12,464.49 = 3,692.70/x
  3. Step 3: Cross multiply
    8,308.38x = 12,464.49 × 3,692.70
  4. Step 4: Simplify right side
    8,308.38x = 46,027,622.22
  5. Step 5: Solve for x
    x = 46,027,622.22/8,308.38
  6. Step 6: Final answer
    x = 5,539.90

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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.