Home / 8,021.28-12,036.24-4,133.28

Finding the Fourth Proportional to 8,021.28, 12,036.24 and 4,133.28

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Solution

The fourth proportional to 8,021.28, 12,036.24 and 4,133.28 is: 6,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.28 : 12,036.24 = 4,133.28 : x
  2. Step 2: Convert to fraction form
    8,021.28/12,036.24 = 4,133.28/x
  3. Step 3: Cross multiply
    8,021.28x = 12,036.24 × 4,133.28
  4. Step 4: Simplify right side
    8,021.28x = 49,749,150.07
  5. Step 5: Solve for x
    x = 49,749,150.07/8,021.28
  6. Step 6: Final answer
    x = 6,202.15

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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.