Home / 7,240.21-10,858.01-3,729.75

Finding the Fourth Proportional to 7,240.21, 10,858.01 and 3,729.75

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Solution

The fourth proportional to 7,240.21, 10,858.01 and 3,729.75 is: 5,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.21 : 10,858.01 = 3,729.75 : x
  2. Step 2: Convert to fraction form
    7,240.21/10,858.01 = 3,729.75/x
  3. Step 3: Cross multiply
    7,240.21x = 10,858.01 × 3,729.75
  4. Step 4: Simplify right side
    7,240.21x = 40,497,705.54
  5. Step 5: Solve for x
    x = 40,497,705.54/7,240.21
  6. Step 6: Final answer
    x = 5,593.44

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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.