Home / 7,169.60-10,757.12-2,788.32

Finding the Fourth Proportional to 7,169.60, 10,757.12 and 2,788.32

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Solution

The fourth proportional to 7,169.60, 10,757.12 and 2,788.32 is: 4,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.60 : 10,757.12 = 2,788.32 : x
  2. Step 2: Convert to fraction form
    7,169.60/10,757.12 = 2,788.32/x
  3. Step 3: Cross multiply
    7,169.60x = 10,757.12 × 2,788.32
  4. Step 4: Simplify right side
    7,169.60x = 29,994,292.84
  5. Step 5: Solve for x
    x = 29,994,292.84/7,169.60
  6. Step 6: Final answer
    x = 4,183.54

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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.