Home / 8,028.30-12,042.10-2,105.07

Finding the Fourth Proportional to 8,028.30, 12,042.10 and 2,105.07

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Solution

The fourth proportional to 8,028.30, 12,042.10 and 2,105.07 is: 3,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.30 : 12,042.10 = 2,105.07 : x
  2. Step 2: Convert to fraction form
    8,028.30/12,042.10 = 2,105.07/x
  3. Step 3: Cross multiply
    8,028.30x = 12,042.10 × 2,105.07
  4. Step 4: Simplify right side
    8,028.30x = 25,349,420.92
  5. Step 5: Solve for x
    x = 25,349,420.92/8,028.30
  6. Step 6: Final answer
    x = 3,157.51

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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.