Home / 4,127.18-6,190.70-1,661.94

Finding the Fourth Proportional to 4,127.18, 6,190.70 and 1,661.94

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Solution

The fourth proportional to 4,127.18, 6,190.70 and 1,661.94 is: 2,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.18 : 6,190.70 = 1,661.94 : x
  2. Step 2: Convert to fraction form
    4,127.18/6,190.70 = 1,661.94/x
  3. Step 3: Cross multiply
    4,127.18x = 6,190.70 × 1,661.94
  4. Step 4: Simplify right side
    4,127.18x = 10,288,571.96
  5. Step 5: Solve for x
    x = 10,288,571.96/4,127.18
  6. Step 6: Final answer
    x = 2,492.88

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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.