Home / 5,738.24-7,918.88-3,220.88

Finding the Fourth Proportional to 5,738.24, 7,918.88 and 3,220.88

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Solution

The fourth proportional to 5,738.24, 7,918.88 and 3,220.88 is: 4,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.24 : 7,918.88 = 3,220.88 : x
  2. Step 2: Convert to fraction form
    5,738.24/7,918.88 = 3,220.88/x
  3. Step 3: Cross multiply
    5,738.24x = 7,918.88 × 3,220.88
  4. Step 4: Simplify right side
    5,738.24x = 25,505,762.21
  5. Step 5: Solve for x
    x = 25,505,762.21/5,738.24
  6. Step 6: Final answer
    x = 4,444.88

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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.