Home / 6,611.91-9,125.03-3,628.33

Finding the Fourth Proportional to 6,611.91, 9,125.03 and 3,628.33

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Solution

The fourth proportional to 6,611.91, 9,125.03 and 3,628.33 is: 5,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.91 : 9,125.03 = 3,628.33 : x
  2. Step 2: Convert to fraction form
    6,611.91/9,125.03 = 3,628.33/x
  3. Step 3: Cross multiply
    6,611.91x = 9,125.03 × 3,628.33
  4. Step 4: Simplify right side
    6,611.91x = 33,108,596.15
  5. Step 5: Solve for x
    x = 33,108,596.15/6,611.91
  6. Step 6: Final answer
    x = 5,007.42

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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.