Home / 5,640.42-8,454.09-3,037.89

Finding the Fourth Proportional to 5,640.42, 8,454.09 and 3,037.89

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Solution

The fourth proportional to 5,640.42, 8,454.09 and 3,037.89 is: 4,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.42 : 8,454.09 = 3,037.89 : x
  2. Step 2: Convert to fraction form
    5,640.42/8,454.09 = 3,037.89/x
  3. Step 3: Cross multiply
    5,640.42x = 8,454.09 × 3,037.89
  4. Step 4: Simplify right side
    5,640.42x = 25,682,595.47
  5. Step 5: Solve for x
    x = 25,682,595.47/5,640.42
  6. Step 6: Final answer
    x = 4,553.31

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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.