Home / 8,819.91-13,232.09-3,890.93

Finding the Fourth Proportional to 8,819.91, 13,232.09 and 3,890.93

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Solution

The fourth proportional to 8,819.91, 13,232.09 and 3,890.93 is: 5,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.91 : 13,232.09 = 3,890.93 : x
  2. Step 2: Convert to fraction form
    8,819.91/13,232.09 = 3,890.93/x
  3. Step 3: Cross multiply
    8,819.91x = 13,232.09 × 3,890.93
  4. Step 4: Simplify right side
    8,819.91x = 51,485,079.51
  5. Step 5: Solve for x
    x = 51,485,079.51/8,819.91
  6. Step 6: Final answer
    x = 5,837.37

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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.