Home / 6,921.08-10,371.54-3,453.56

Finding the Fourth Proportional to 6,921.08, 10,371.54 and 3,453.56

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Solution

The fourth proportional to 6,921.08, 10,371.54 and 3,453.56 is: 5,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.08 : 10,371.54 = 3,453.56 : x
  2. Step 2: Convert to fraction form
    6,921.08/10,371.54 = 3,453.56/x
  3. Step 3: Cross multiply
    6,921.08x = 10,371.54 × 3,453.56
  4. Step 4: Simplify right side
    6,921.08x = 35,818,735.68
  5. Step 5: Solve for x
    x = 35,818,735.68/6,921.08
  6. Step 6: Final answer
    x = 5,175.31

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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.