Home / 6,788.88-10,183.70-2,109.55

Finding the Fourth Proportional to 6,788.88, 10,183.70 and 2,109.55

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Solution

The fourth proportional to 6,788.88, 10,183.70 and 2,109.55 is: 3,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.88 : 10,183.70 = 2,109.55 : x
  2. Step 2: Convert to fraction form
    6,788.88/10,183.70 = 2,109.55/x
  3. Step 3: Cross multiply
    6,788.88x = 10,183.70 × 2,109.55
  4. Step 4: Simplify right side
    6,788.88x = 21,483,013.79
  5. Step 5: Solve for x
    x = 21,483,013.79/6,788.88
  6. Step 6: Final answer
    x = 3,164.44

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1.5x scale

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.