Home / 8,238.94-12,360.48-2,692.60

Finding the Fourth Proportional to 8,238.94, 12,360.48 and 2,692.60

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Solution

The fourth proportional to 8,238.94, 12,360.48 and 2,692.60 is: 4,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.94 : 12,360.48 = 2,692.60 : x
  2. Step 2: Convert to fraction form
    8,238.94/12,360.48 = 2,692.60/x
  3. Step 3: Cross multiply
    8,238.94x = 12,360.48 × 2,692.60
  4. Step 4: Simplify right side
    8,238.94x = 33,281,828.45
  5. Step 5: Solve for x
    x = 33,281,828.45/8,238.94
  6. Step 6: Final answer
    x = 4,039.58

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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.