Home / 6,172.75-8,518.85-3,520.22

Finding the Fourth Proportional to 6,172.75, 8,518.85 and 3,520.22

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Solution

The fourth proportional to 6,172.75, 8,518.85 and 3,520.22 is: 4,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.75 : 8,518.85 = 3,520.22 : x
  2. Step 2: Convert to fraction form
    6,172.75/8,518.85 = 3,520.22/x
  3. Step 3: Cross multiply
    6,172.75x = 8,518.85 × 3,520.22
  4. Step 4: Simplify right side
    6,172.75x = 29,988,226.15
  5. Step 5: Solve for x
    x = 29,988,226.15/6,172.75
  6. Step 6: Final answer
    x = 4,858.16

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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.