Home / 4,015.88-5,543.81-3,021.54

Finding the Fourth Proportional to 4,015.88, 5,543.81 and 3,021.54

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Solution

The fourth proportional to 4,015.88, 5,543.81 and 3,021.54 is: 4,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.88 : 5,543.81 = 3,021.54 : x
  2. Step 2: Convert to fraction form
    4,015.88/5,543.81 = 3,021.54/x
  3. Step 3: Cross multiply
    4,015.88x = 5,543.81 × 3,021.54
  4. Step 4: Simplify right side
    4,015.88x = 16,750,843.67
  5. Step 5: Solve for x
    x = 16,750,843.67/4,015.88
  6. Step 6: Final answer
    x = 4,171.15

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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.