Home / 7,135.82-10,703.42-2,205.96

Finding the Fourth Proportional to 7,135.82, 10,703.42 and 2,205.96

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Solution

The fourth proportional to 7,135.82, 10,703.42 and 2,205.96 is: 3,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.82 : 10,703.42 = 2,205.96 : x
  2. Step 2: Convert to fraction form
    7,135.82/10,703.42 = 2,205.96/x
  3. Step 3: Cross multiply
    7,135.82x = 10,703.42 × 2,205.96
  4. Step 4: Simplify right side
    7,135.82x = 23,611,316.38
  5. Step 5: Solve for x
    x = 23,611,316.38/7,135.82
  6. Step 6: Final answer
    x = 3,308.84

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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.