Home / 4,274.46-6,405.20-3,173.68

Finding the Fourth Proportional to 4,274.46, 6,405.20 and 3,173.68

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Solution

The fourth proportional to 4,274.46, 6,405.20 and 3,173.68 is: 4,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.46 : 6,405.20 = 3,173.68 : x
  2. Step 2: Convert to fraction form
    4,274.46/6,405.20 = 3,173.68/x
  3. Step 3: Cross multiply
    4,274.46x = 6,405.20 × 3,173.68
  4. Step 4: Simplify right side
    4,274.46x = 20,328,055.14
  5. Step 5: Solve for x
    x = 20,328,055.14/4,274.46
  6. Step 6: Final answer
    x = 4,755.70

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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.