Home / 6,106.13-9,149.61-3,639.58

Finding the Fourth Proportional to 6,106.13, 9,149.61 and 3,639.58

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Solution

The fourth proportional to 6,106.13, 9,149.61 and 3,639.58 is: 5,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.13 : 9,149.61 = 3,639.58 : x
  2. Step 2: Convert to fraction form
    6,106.13/9,149.61 = 3,639.58/x
  3. Step 3: Cross multiply
    6,106.13x = 9,149.61 × 3,639.58
  4. Step 4: Simplify right side
    6,106.13x = 33,300,759.33
  5. Step 5: Solve for x
    x = 33,300,759.33/6,106.13
  6. Step 6: Final answer
    x = 5,453.66

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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.