Home / 5,555.22-8,321.67-2,636.34

Finding the Fourth Proportional to 5,555.22, 8,321.67 and 2,636.34

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Solution

The fourth proportional to 5,555.22, 8,321.67 and 2,636.34 is: 3,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.22 : 8,321.67 = 2,636.34 : x
  2. Step 2: Convert to fraction form
    5,555.22/8,321.67 = 2,636.34/x
  3. Step 3: Cross multiply
    5,555.22x = 8,321.67 × 2,636.34
  4. Step 4: Simplify right side
    5,555.22x = 21,938,751.49
  5. Step 5: Solve for x
    x = 21,938,751.49/5,555.22
  6. Step 6: Final answer
    x = 3,949.21

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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.