Home / 5,169.93-7,756.05-2,208.54

Finding the Fourth Proportional to 5,169.93, 7,756.05 and 2,208.54

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Solution

The fourth proportional to 5,169.93, 7,756.05 and 2,208.54 is: 3,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.93 : 7,756.05 = 2,208.54 : x
  2. Step 2: Convert to fraction form
    5,169.93/7,756.05 = 2,208.54/x
  3. Step 3: Cross multiply
    5,169.93x = 7,756.05 × 2,208.54
  4. Step 4: Simplify right side
    5,169.93x = 17,129,546.67
  5. Step 5: Solve for x
    x = 17,129,546.67/5,169.93
  6. Step 6: Final answer
    x = 3,313.30

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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.