Home / 5,081.83-7,012.93-2,843.85

Finding the Fourth Proportional to 5,081.83, 7,012.93 and 2,843.85

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Solution

The fourth proportional to 5,081.83, 7,012.93 and 2,843.85 is: 3,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.83 : 7,012.93 = 2,843.85 : x
  2. Step 2: Convert to fraction form
    5,081.83/7,012.93 = 2,843.85/x
  3. Step 3: Cross multiply
    5,081.83x = 7,012.93 × 2,843.85
  4. Step 4: Simplify right side
    5,081.83x = 19,943,720.98
  5. Step 5: Solve for x
    x = 19,943,720.98/5,081.83
  6. Step 6: Final answer
    x = 3,924.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.