Home / 6,145.31-8,481.26-3,493.12

Finding the Fourth Proportional to 6,145.31, 8,481.26 and 3,493.12

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Solution

The fourth proportional to 6,145.31, 8,481.26 and 3,493.12 is: 4,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.31 : 8,481.26 = 3,493.12 : x
  2. Step 2: Convert to fraction form
    6,145.31/8,481.26 = 3,493.12/x
  3. Step 3: Cross multiply
    6,145.31x = 8,481.26 × 3,493.12
  4. Step 4: Simplify right side
    6,145.31x = 29,626,020.26
  5. Step 5: Solve for x
    x = 29,626,020.26/6,145.31
  6. Step 6: Final answer
    x = 4,820.91

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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.