Home / 7,742.49-11,607.78-3,843.87

Finding the Fourth Proportional to 7,742.49, 11,607.78 and 3,843.87

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Solution

The fourth proportional to 7,742.49, 11,607.78 and 3,843.87 is: 5,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.49 : 11,607.78 = 3,843.87 : x
  2. Step 2: Convert to fraction form
    7,742.49/11,607.78 = 3,843.87/x
  3. Step 3: Cross multiply
    7,742.49x = 11,607.78 × 3,843.87
  4. Step 4: Simplify right side
    7,742.49x = 44,618,797.31
  5. Step 5: Solve for x
    x = 44,618,797.31/7,742.49
  6. Step 6: Final answer
    x = 5,762.85

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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.