Home / 5,698.26-7,863.66-3,180.54

Finding the Fourth Proportional to 5,698.26, 7,863.66 and 3,180.54

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Solution

The fourth proportional to 5,698.26, 7,863.66 and 3,180.54 is: 4,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.26 : 7,863.66 = 3,180.54 : x
  2. Step 2: Convert to fraction form
    5,698.26/7,863.66 = 3,180.54/x
  3. Step 3: Cross multiply
    5,698.26x = 7,863.66 × 3,180.54
  4. Step 4: Simplify right side
    5,698.26x = 25,010,685.18
  5. Step 5: Solve for x
    x = 25,010,685.18/5,698.26
  6. Step 6: Final answer
    x = 4,389.18

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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.