Home / 4,145.96-5,725.68-3,553.04

Finding the Fourth Proportional to 4,145.96, 5,725.68 and 3,553.04

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Solution

The fourth proportional to 4,145.96, 5,725.68 and 3,553.04 is: 4,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.96 : 5,725.68 = 3,553.04 : x
  2. Step 2: Convert to fraction form
    4,145.96/5,725.68 = 3,553.04/x
  3. Step 3: Cross multiply
    4,145.96x = 5,725.68 × 3,553.04
  4. Step 4: Simplify right side
    4,145.96x = 20,343,570.07
  5. Step 5: Solve for x
    x = 20,343,570.07/4,145.96
  6. Step 6: Final answer
    x = 4,906.84

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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.