Home / 4,299.20-5,918.73-3,739.38

Finding the Fourth Proportional to 4,299.20, 5,918.73 and 3,739.38

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Solution

The fourth proportional to 4,299.20, 5,918.73 and 3,739.38 is: 5,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.20 : 5,918.73 = 3,739.38 : x
  2. Step 2: Convert to fraction form
    4,299.20/5,918.73 = 3,739.38/x
  3. Step 3: Cross multiply
    4,299.20x = 5,918.73 × 3,739.38
  4. Step 4: Simplify right side
    4,299.20x = 22,132,380.59
  5. Step 5: Solve for x
    x = 22,132,380.59/4,299.20
  6. Step 6: Final answer
    x = 5,148.02

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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.