Home / 4,199.04-6,289.92-3,991.68

Finding the Fourth Proportional to 4,199.04, 6,289.92 and 3,991.68

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Solution

The fourth proportional to 4,199.04, 6,289.92 and 3,991.68 is: 5,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.04 : 6,289.92 = 3,991.68 : x
  2. Step 2: Convert to fraction form
    4,199.04/6,289.92 = 3,991.68/x
  3. Step 3: Cross multiply
    4,199.04x = 6,289.92 × 3,991.68
  4. Step 4: Simplify right side
    4,199.04x = 25,107,347.87
  5. Step 5: Solve for x
    x = 25,107,347.87/4,199.04
  6. Step 6: Final answer
    x = 5,979.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.