Home / 4,611.75-6,917.56-2,145.19

Finding the Fourth Proportional to 4,611.75, 6,917.56 and 2,145.19

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Solution

The fourth proportional to 4,611.75, 6,917.56 and 2,145.19 is: 3,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.75 : 6,917.56 = 2,145.19 : x
  2. Step 2: Convert to fraction form
    4,611.75/6,917.56 = 2,145.19/x
  3. Step 3: Cross multiply
    4,611.75x = 6,917.56 × 2,145.19
  4. Step 4: Simplify right side
    4,611.75x = 14,839,480.54
  5. Step 5: Solve for x
    x = 14,839,480.54/4,611.75
  6. Step 6: Final answer
    x = 3,217.75

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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.