Home / 6,911.64-10,342.68-3,975.54

Finding the Fourth Proportional to 6,911.64, 10,342.68 and 3,975.54

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Solution

The fourth proportional to 6,911.64, 10,342.68 and 3,975.54 is: 5,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.64 : 10,342.68 = 3,975.54 : x
  2. Step 2: Convert to fraction form
    6,911.64/10,342.68 = 3,975.54/x
  3. Step 3: Cross multiply
    6,911.64x = 10,342.68 × 3,975.54
  4. Step 4: Simplify right side
    6,911.64x = 41,117,738.05
  5. Step 5: Solve for x
    x = 41,117,738.05/6,911.64
  6. Step 6: Final answer
    x = 5,949.06

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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.