Home / 4,218.76-5,819.22-2,626.30

Finding the Fourth Proportional to 4,218.76, 5,819.22 and 2,626.30

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Solution

The fourth proportional to 4,218.76, 5,819.22 and 2,626.30 is: 3,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.76 : 5,819.22 = 2,626.30 : x
  2. Step 2: Convert to fraction form
    4,218.76/5,819.22 = 2,626.30/x
  3. Step 3: Cross multiply
    4,218.76x = 5,819.22 × 2,626.30
  4. Step 4: Simplify right side
    4,218.76x = 15,283,017.49
  5. Step 5: Solve for x
    x = 15,283,017.49/4,218.76
  6. Step 6: Final answer
    x = 3,622.63

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Double scale
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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.