Home / 4,185.45-6,279.21-2,955.27

Finding the Fourth Proportional to 4,185.45, 6,279.21 and 2,955.27

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Solution

The fourth proportional to 4,185.45, 6,279.21 and 2,955.27 is: 4,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.45 : 6,279.21 = 2,955.27 : x
  2. Step 2: Convert to fraction form
    4,185.45/6,279.21 = 2,955.27/x
  3. Step 3: Cross multiply
    4,185.45x = 6,279.21 × 2,955.27
  4. Step 4: Simplify right side
    4,185.45x = 18,556,760.94
  5. Step 5: Solve for x
    x = 18,556,760.94/4,185.45
  6. Step 6: Final answer
    x = 4,433.64

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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.