Home / 5,738.69-7,917.41-3,220.45

Finding the Fourth Proportional to 5,738.69, 7,917.41 and 3,220.45

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Solution

The fourth proportional to 5,738.69, 7,917.41 and 3,220.45 is: 4,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.69 : 7,917.41 = 3,220.45 : x
  2. Step 2: Convert to fraction form
    5,738.69/7,917.41 = 3,220.45/x
  3. Step 3: Cross multiply
    5,738.69x = 7,917.41 × 3,220.45
  4. Step 4: Simplify right side
    5,738.69x = 25,497,606.93
  5. Step 5: Solve for x
    x = 25,497,606.93/5,738.69
  6. Step 6: Final answer
    x = 4,443.11

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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.