Home / 7,012.82-10,519.23-2,855.09

Finding the Fourth Proportional to 7,012.82, 10,519.23 and 2,855.09

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Solution

The fourth proportional to 7,012.82, 10,519.23 and 2,855.09 is: 4,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.82 : 10,519.23 = 2,855.09 : x
  2. Step 2: Convert to fraction form
    7,012.82/10,519.23 = 2,855.09/x
  3. Step 3: Cross multiply
    7,012.82x = 10,519.23 × 2,855.09
  4. Step 4: Simplify right side
    7,012.82x = 30,033,281.51
  5. Step 5: Solve for x
    x = 30,033,281.51/7,012.82
  6. Step 6: Final answer
    x = 4,282.63

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Similar ratio
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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.