Home / 8,810.32-13,206.42-3,879.04

Finding the Fourth Proportional to 8,810.32, 13,206.42 and 3,879.04

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Solution

The fourth proportional to 8,810.32, 13,206.42 and 3,879.04 is: 5,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.32 : 13,206.42 = 3,879.04 : x
  2. Step 2: Convert to fraction form
    8,810.32/13,206.42 = 3,879.04/x
  3. Step 3: Cross multiply
    8,810.32x = 13,206.42 × 3,879.04
  4. Step 4: Simplify right side
    8,810.32x = 51,228,231.44
  5. Step 5: Solve for x
    x = 51,228,231.44/8,810.32
  6. Step 6: Final answer
    x = 5,814.57

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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.