Home / 4,945.65-6,825-2,707.55

Finding the Fourth Proportional to 4,945.65, 6,825 and 2,707.55

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Solution

The fourth proportional to 4,945.65, 6,825 and 2,707.55 is: 3,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.65 : 6,825 = 2,707.55 : x
  2. Step 2: Convert to fraction form
    4,945.65/6,825 = 2,707.55/x
  3. Step 3: Cross multiply
    4,945.65x = 6,825 × 2,707.55
  4. Step 4: Simplify right side
    4,945.65x = 18,479,028.75
  5. Step 5: Solve for x
    x = 18,479,028.75/4,945.65
  6. Step 6: Final answer
    x = 3,736.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.