Home / 3,999.21-6,004.04-2,688.84

Finding the Fourth Proportional to 3,999.21, 6,004.04 and 2,688.84

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Solution

The fourth proportional to 3,999.21, 6,004.04 and 2,688.84 is: 4,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.21 : 6,004.04 = 2,688.84 : x
  2. Step 2: Convert to fraction form
    3,999.21/6,004.04 = 2,688.84/x
  3. Step 3: Cross multiply
    3,999.21x = 6,004.04 × 2,688.84
  4. Step 4: Simplify right side
    3,999.21x = 16,143,889.47
  5. Step 5: Solve for x
    x = 16,143,889.47/3,999.21
  6. Step 6: Final answer
    x = 4,036.77

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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.