Home / 4,230.75-5,837.09-2,739.81

Finding the Fourth Proportional to 4,230.75, 5,837.09 and 2,739.81

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Solution

The fourth proportional to 4,230.75, 5,837.09 and 2,739.81 is: 3,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.75 : 5,837.09 = 2,739.81 : x
  2. Step 2: Convert to fraction form
    4,230.75/5,837.09 = 2,739.81/x
  3. Step 3: Cross multiply
    4,230.75x = 5,837.09 × 2,739.81
  4. Step 4: Simplify right side
    4,230.75x = 15,992,503.85
  5. Step 5: Solve for x
    x = 15,992,503.85/4,230.75
  6. Step 6: Final answer
    x = 3,780.06

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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.