Home / 8,879.04-13,319.24-5,181.64

Finding the Fourth Proportional to 8,879.04, 13,319.24 and 5,181.64

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Solution

The fourth proportional to 8,879.04, 13,319.24 and 5,181.64 is: 7,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.04 : 13,319.24 = 5,181.64 : x
  2. Step 2: Convert to fraction form
    8,879.04/13,319.24 = 5,181.64/x
  3. Step 3: Cross multiply
    8,879.04x = 13,319.24 × 5,181.64
  4. Step 4: Simplify right side
    8,879.04x = 69,015,506.75
  5. Step 5: Solve for x
    x = 69,015,506.75/8,879.04
  6. Step 6: Final answer
    x = 7,772.86

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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.