Home / 4,216.73-5,820.26-2,890.22

Finding the Fourth Proportional to 4,216.73, 5,820.26 and 2,890.22

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Solution

The fourth proportional to 4,216.73, 5,820.26 and 2,890.22 is: 3,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.73 : 5,820.26 = 2,890.22 : x
  2. Step 2: Convert to fraction form
    4,216.73/5,820.26 = 2,890.22/x
  3. Step 3: Cross multiply
    4,216.73x = 5,820.26 × 2,890.22
  4. Step 4: Simplify right side
    4,216.73x = 16,821,788.30
  5. Step 5: Solve for x
    x = 16,821,788.30/4,216.73
  6. Step 6: Final answer
    x = 3,989.30

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Half scale
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Double scale
Find fourth proportional to 4,217.73, 5,821.64 and 2,891.22
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.