Home / 4,043.39-6,065.09-1,121.70

Finding the Fourth Proportional to 4,043.39, 6,065.09 and 1,121.70

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Solution

The fourth proportional to 4,043.39, 6,065.09 and 1,121.70 is: 1,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.39 : 6,065.09 = 1,121.70 : x
  2. Step 2: Convert to fraction form
    4,043.39/6,065.09 = 1,121.70/x
  3. Step 3: Cross multiply
    4,043.39x = 6,065.09 × 1,121.70
  4. Step 4: Simplify right side
    4,043.39x = 6,803,198.68
  5. Step 5: Solve for x
    x = 6,803,198.68/4,043.39
  6. Step 6: Final answer
    x = 1,682.55

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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.