Home / 7,218.24-9,961.75-5,738.37

Finding the Fourth Proportional to 7,218.24, 9,961.75 and 5,738.37

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Solution

The fourth proportional to 7,218.24, 9,961.75 and 5,738.37 is: 7,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.24 : 9,961.75 = 5,738.37 : x
  2. Step 2: Convert to fraction form
    7,218.24/9,961.75 = 5,738.37/x
  3. Step 3: Cross multiply
    7,218.24x = 9,961.75 × 5,738.37
  4. Step 4: Simplify right side
    7,218.24x = 57,164,207.35
  5. Step 5: Solve for x
    x = 57,164,207.35/7,218.24
  6. Step 6: Final answer
    x = 7,919.41

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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.