Home / 5,586.36-8,379.48-2,123.61

Finding the Fourth Proportional to 5,586.36, 8,379.48 and 2,123.61

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Solution

The fourth proportional to 5,586.36, 8,379.48 and 2,123.61 is: 3,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.36 : 8,379.48 = 2,123.61 : x
  2. Step 2: Convert to fraction form
    5,586.36/8,379.48 = 2,123.61/x
  3. Step 3: Cross multiply
    5,586.36x = 8,379.48 × 2,123.61
  4. Step 4: Simplify right side
    5,586.36x = 17,794,747.52
  5. Step 5: Solve for x
    x = 17,794,747.52/5,586.36
  6. Step 6: Final answer
    x = 3,185.39

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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.