Home / 5,205.35-7,181.61-2,965.64

Finding the Fourth Proportional to 5,205.35, 7,181.61 and 2,965.64

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Solution

The fourth proportional to 5,205.35, 7,181.61 and 2,965.64 is: 4,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.35 : 7,181.61 = 2,965.64 : x
  2. Step 2: Convert to fraction form
    5,205.35/7,181.61 = 2,965.64/x
  3. Step 3: Cross multiply
    5,205.35x = 7,181.61 × 2,965.64
  4. Step 4: Simplify right side
    5,205.35x = 21,298,033.97
  5. Step 5: Solve for x
    x = 21,298,033.97/5,205.35
  6. Step 6: Final answer
    x = 4,091.57

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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.