Home / 5,890.33-8,128.15-3,237.86

Finding the Fourth Proportional to 5,890.33, 8,128.15 and 3,237.86

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Solution

The fourth proportional to 5,890.33, 8,128.15 and 3,237.86 is: 4,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.33 : 8,128.15 = 3,237.86 : x
  2. Step 2: Convert to fraction form
    5,890.33/8,128.15 = 3,237.86/x
  3. Step 3: Cross multiply
    5,890.33x = 8,128.15 × 3,237.86
  4. Step 4: Simplify right side
    5,890.33x = 26,317,811.76
  5. Step 5: Solve for x
    x = 26,317,811.76/5,890.33
  6. Step 6: Final answer
    x = 4,467.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.