Home / 4,139.94-6,211.26-1,218.27

Finding the Fourth Proportional to 4,139.94, 6,211.26 and 1,218.27

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Solution

The fourth proportional to 4,139.94, 6,211.26 and 1,218.27 is: 1,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.94 : 6,211.26 = 1,218.27 : x
  2. Step 2: Convert to fraction form
    4,139.94/6,211.26 = 1,218.27/x
  3. Step 3: Cross multiply
    4,139.94x = 6,211.26 × 1,218.27
  4. Step 4: Simplify right side
    4,139.94x = 7,566,991.72
  5. Step 5: Solve for x
    x = 7,566,991.72/4,139.94
  6. Step 6: Final answer
    x = 1,827.80

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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.