Home / 6,145.09-9,222.34-3,185.96

Finding the Fourth Proportional to 6,145.09, 9,222.34 and 3,185.96

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Solution

The fourth proportional to 6,145.09, 9,222.34 and 3,185.96 is: 4,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.09 : 9,222.34 = 3,185.96 : x
  2. Step 2: Convert to fraction form
    6,145.09/9,222.34 = 3,185.96/x
  3. Step 3: Cross multiply
    6,145.09x = 9,222.34 × 3,185.96
  4. Step 4: Simplify right side
    6,145.09x = 29,381,960.23
  5. Step 5: Solve for x
    x = 29,381,960.23/6,145.09
  6. Step 6: Final answer
    x = 4,781.38

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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.