Home / 5,213.21-7,194.23-2,855.35

Finding the Fourth Proportional to 5,213.21, 7,194.23 and 2,855.35

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Solution

The fourth proportional to 5,213.21, 7,194.23 and 2,855.35 is: 3,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.21 : 7,194.23 = 2,855.35 : x
  2. Step 2: Convert to fraction form
    5,213.21/7,194.23 = 2,855.35/x
  3. Step 3: Cross multiply
    5,213.21x = 7,194.23 × 2,855.35
  4. Step 4: Simplify right side
    5,213.21x = 20,542,044.63
  5. Step 5: Solve for x
    x = 20,542,044.63/5,213.21
  6. Step 6: Final answer
    x = 3,940.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,214.21, 7,195.61 and 2,856.35
Similar ratio
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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.