Home / 5,738.34-7,918.86-3,220.66

Finding the Fourth Proportional to 5,738.34, 7,918.86 and 3,220.66

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Solution

The fourth proportional to 5,738.34, 7,918.86 and 3,220.66 is: 4,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.34 : 7,918.86 = 3,220.66 : x
  2. Step 2: Convert to fraction form
    5,738.34/7,918.86 = 3,220.66/x
  3. Step 3: Cross multiply
    5,738.34x = 7,918.86 × 3,220.66
  4. Step 4: Simplify right side
    5,738.34x = 25,503,977.62
  5. Step 5: Solve for x
    x = 25,503,977.62/5,738.34
  6. Step 6: Final answer
    x = 4,444.48

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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.