Home / 5,449.75-8,172.77-1,751.09

Finding the Fourth Proportional to 5,449.75, 8,172.77 and 1,751.09

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Solution

The fourth proportional to 5,449.75, 8,172.77 and 1,751.09 is: 2,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.75 : 8,172.77 = 1,751.09 : x
  2. Step 2: Convert to fraction form
    5,449.75/8,172.77 = 1,751.09/x
  3. Step 3: Cross multiply
    5,449.75x = 8,172.77 × 1,751.09
  4. Step 4: Simplify right side
    5,449.75x = 14,311,206.20
  5. Step 5: Solve for x
    x = 14,311,206.20/5,449.75
  6. Step 6: Final answer
    x = 2,626.03

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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.