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Finding the Fourth Proportional to 8,071.35, 12,090.02 and 3,692.49

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Solution

The fourth proportional to 8,071.35, 12,090.02 and 3,692.49 is: 5,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.35 : 12,090.02 = 3,692.49 : x
  2. Step 2: Convert to fraction form
    8,071.35/12,090.02 = 3,692.49/x
  3. Step 3: Cross multiply
    8,071.35x = 12,090.02 × 3,692.49
  4. Step 4: Simplify right side
    8,071.35x = 44,642,259.49
  5. Step 5: Solve for x
    x = 44,642,259.49/8,071.35
  6. Step 6: Final answer
    x = 5,530.95

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