Home / 4,145.54-6,221.04-1,954.49

Finding the Fourth Proportional to 4,145.54, 6,221.04 and 1,954.49

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Solution

The fourth proportional to 4,145.54, 6,221.04 and 1,954.49 is: 2,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.54 : 6,221.04 = 1,954.49 : x
  2. Step 2: Convert to fraction form
    4,145.54/6,221.04 = 1,954.49/x
  3. Step 3: Cross multiply
    4,145.54x = 6,221.04 × 1,954.49
  4. Step 4: Simplify right side
    4,145.54x = 12,158,922.04
  5. Step 5: Solve for x
    x = 12,158,922.04/4,145.54
  6. Step 6: Final answer
    x = 2,933.02

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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.