Home / 4,121.65-6,182.86-1,348.34

Finding the Fourth Proportional to 4,121.65, 6,182.86 and 1,348.34

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Solution

The fourth proportional to 4,121.65, 6,182.86 and 1,348.34 is: 2,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.65 : 6,182.86 = 1,348.34 : x
  2. Step 2: Convert to fraction form
    4,121.65/6,182.86 = 1,348.34/x
  3. Step 3: Cross multiply
    4,121.65x = 6,182.86 × 1,348.34
  4. Step 4: Simplify right side
    4,121.65x = 8,336,559.80
  5. Step 5: Solve for x
    x = 8,336,559.80/4,121.65
  6. Step 6: Final answer
    x = 2,022.63

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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.