Home / 5,911.41-8,869.80-2,213.92

Finding the Fourth Proportional to 5,911.41, 8,869.80 and 2,213.92

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Solution

The fourth proportional to 5,911.41, 8,869.80 and 2,213.92 is: 3,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.41 : 8,869.80 = 2,213.92 : x
  2. Step 2: Convert to fraction form
    5,911.41/8,869.80 = 2,213.92/x
  3. Step 3: Cross multiply
    5,911.41x = 8,869.80 × 2,213.92
  4. Step 4: Simplify right side
    5,911.41x = 19,637,027.62
  5. Step 5: Solve for x
    x = 19,637,027.62/5,911.41
  6. Step 6: Final answer
    x = 3,321.89

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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.