Home / 5,622.99-8,436.44-2,505.21

Finding the Fourth Proportional to 5,622.99, 8,436.44 and 2,505.21

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Solution

The fourth proportional to 5,622.99, 8,436.44 and 2,505.21 is: 3,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.99 : 8,436.44 = 2,505.21 : x
  2. Step 2: Convert to fraction form
    5,622.99/8,436.44 = 2,505.21/x
  3. Step 3: Cross multiply
    5,622.99x = 8,436.44 × 2,505.21
  4. Step 4: Simplify right side
    5,622.99x = 21,135,053.85
  5. Step 5: Solve for x
    x = 21,135,053.85/5,622.99
  6. Step 6: Final answer
    x = 3,758.69

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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.