Home / 8,879.34-13,319.73-5,181.96

Finding the Fourth Proportional to 8,879.34, 13,319.73 and 5,181.96

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Solution

The fourth proportional to 8,879.34, 13,319.73 and 5,181.96 is: 7,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.34 : 13,319.73 = 5,181.96 : x
  2. Step 2: Convert to fraction form
    8,879.34/13,319.73 = 5,181.96/x
  3. Step 3: Cross multiply
    8,879.34x = 13,319.73 × 5,181.96
  4. Step 4: Simplify right side
    8,879.34x = 69,022,308.07
  5. Step 5: Solve for x
    x = 69,022,308.07/8,879.34
  6. Step 6: Final answer
    x = 7,773.36

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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.