Home / 4,859.80-6,704.78-3,091.80

Finding the Fourth Proportional to 4,859.80, 6,704.78 and 3,091.80

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Solution

The fourth proportional to 4,859.80, 6,704.78 and 3,091.80 is: 4,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.80 : 6,704.78 = 3,091.80 : x
  2. Step 2: Convert to fraction form
    4,859.80/6,704.78 = 3,091.80/x
  3. Step 3: Cross multiply
    4,859.80x = 6,704.78 × 3,091.80
  4. Step 4: Simplify right side
    4,859.80x = 20,729,838.80
  5. Step 5: Solve for x
    x = 20,729,838.80/4,859.80
  6. Step 6: Final answer
    x = 4,265.57

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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.