Home / 8,238.72-12,360.84-2,692.32

Finding the Fourth Proportional to 8,238.72, 12,360.84 and 2,692.32

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Solution

The fourth proportional to 8,238.72, 12,360.84 and 2,692.32 is: 4,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.72 : 12,360.84 = 2,692.32 : x
  2. Step 2: Convert to fraction form
    8,238.72/12,360.84 = 2,692.32/x
  3. Step 3: Cross multiply
    8,238.72x = 12,360.84 × 2,692.32
  4. Step 4: Simplify right side
    8,238.72x = 33,279,336.75
  5. Step 5: Solve for x
    x = 33,279,336.75/8,238.72
  6. Step 6: Final answer
    x = 4,039.38

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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.