Home / 4,190.46-6,286.31-1,416.39

Finding the Fourth Proportional to 4,190.46, 6,286.31 and 1,416.39

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Solution

The fourth proportional to 4,190.46, 6,286.31 and 1,416.39 is: 2,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.46 : 6,286.31 = 1,416.39 : x
  2. Step 2: Convert to fraction form
    4,190.46/6,286.31 = 1,416.39/x
  3. Step 3: Cross multiply
    4,190.46x = 6,286.31 × 1,416.39
  4. Step 4: Simplify right side
    4,190.46x = 8,903,841.28
  5. Step 5: Solve for x
    x = 8,903,841.28/4,190.46
  6. Step 6: Final answer
    x = 2,124.79

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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.