Home / 6,245.75-8,619.14-3,451.25

Finding the Fourth Proportional to 6,245.75, 8,619.14 and 3,451.25

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Solution

The fourth proportional to 6,245.75, 8,619.14 and 3,451.25 is: 4,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.75 : 8,619.14 = 3,451.25 : x
  2. Step 2: Convert to fraction form
    6,245.75/8,619.14 = 3,451.25/x
  3. Step 3: Cross multiply
    6,245.75x = 8,619.14 × 3,451.25
  4. Step 4: Simplify right side
    6,245.75x = 29,746,806.93
  5. Step 5: Solve for x
    x = 29,746,806.93/6,245.75
  6. Step 6: Final answer
    x = 4,762.73

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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.