Home / 4,205.96-6,308.94-1,128.04

Finding the Fourth Proportional to 4,205.96, 6,308.94 and 1,128.04

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Solution

The fourth proportional to 4,205.96, 6,308.94 and 1,128.04 is: 1,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.96 : 6,308.94 = 1,128.04 : x
  2. Step 2: Convert to fraction form
    4,205.96/6,308.94 = 1,128.04/x
  3. Step 3: Cross multiply
    4,205.96x = 6,308.94 × 1,128.04
  4. Step 4: Simplify right side
    4,205.96x = 7,116,736.68
  5. Step 5: Solve for x
    x = 7,116,736.68/4,205.96
  6. Step 6: Final answer
    x = 1,692.06

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Similar ratio
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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.