Home / 7,745.14-11,614.80-2,813.56

Finding the Fourth Proportional to 7,745.14, 11,614.80 and 2,813.56

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Solution

The fourth proportional to 7,745.14, 11,614.80 and 2,813.56 is: 4,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.14 : 11,614.80 = 2,813.56 : x
  2. Step 2: Convert to fraction form
    7,745.14/11,614.80 = 2,813.56/x
  3. Step 3: Cross multiply
    7,745.14x = 11,614.80 × 2,813.56
  4. Step 4: Simplify right side
    7,745.14x = 32,678,936.69
  5. Step 5: Solve for x
    x = 32,678,936.69/7,745.14
  6. Step 6: Final answer
    x = 4,219.28

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1.5x scale

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.