Home / 6,205.00-8,561.93-3,687.05

Finding the Fourth Proportional to 6,205.00, 8,561.93 and 3,687.05

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Solution

The fourth proportional to 6,205.00, 8,561.93 and 3,687.05 is: 5,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,205.00 : 8,561.93 = 3,687.05 : x
  2. Step 2: Convert to fraction form
    6,205.00/8,561.93 = 3,687.05/x
  3. Step 3: Cross multiply
    6,205.00x = 8,561.93 × 3,687.05
  4. Step 4: Simplify right side
    6,205.00x = 31,568,202.76
  5. Step 5: Solve for x
    x = 31,568,202.76/6,205.00
  6. Step 6: Final answer
    x = 5,087.55

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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.