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Finding the Fourth Proportional to 8,075.44, 12,109.21 and 3,330.71

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Solution

The fourth proportional to 8,075.44, 12,109.21 and 3,330.71 is: 4,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.44 : 12,109.21 = 3,330.71 : x
  2. Step 2: Convert to fraction form
    8,075.44/12,109.21 = 3,330.71/x
  3. Step 3: Cross multiply
    8,075.44x = 12,109.21 × 3,330.71
  4. Step 4: Simplify right side
    8,075.44x = 40,332,266.84
  5. Step 5: Solve for x
    x = 40,332,266.84/8,075.44
  6. Step 6: Final answer
    x = 4,994.44

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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.