Home / 4,199.21-6,289.24-2,009.49

Finding the Fourth Proportional to 4,199.21, 6,289.24 and 2,009.49

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Solution

The fourth proportional to 4,199.21, 6,289.24 and 2,009.49 is: 3,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.21 : 6,289.24 = 2,009.49 : x
  2. Step 2: Convert to fraction form
    4,199.21/6,289.24 = 2,009.49/x
  3. Step 3: Cross multiply
    4,199.21x = 6,289.24 × 2,009.49
  4. Step 4: Simplify right side
    4,199.21x = 12,638,164.89
  5. Step 5: Solve for x
    x = 12,638,164.89/4,199.21
  6. Step 6: Final answer
    x = 3,009.65

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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.