Home / 8,004.36-12,008.43-2,739.42

Finding the Fourth Proportional to 8,004.36, 12,008.43 and 2,739.42

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Solution

The fourth proportional to 8,004.36, 12,008.43 and 2,739.42 is: 4,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.36 : 12,008.43 = 2,739.42 : x
  2. Step 2: Convert to fraction form
    8,004.36/12,008.43 = 2,739.42/x
  3. Step 3: Cross multiply
    8,004.36x = 12,008.43 × 2,739.42
  4. Step 4: Simplify right side
    8,004.36x = 32,896,133.31
  5. Step 5: Solve for x
    x = 32,896,133.31/8,004.36
  6. Step 6: Final answer
    x = 4,109.78

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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.