Home / 5,721.40-8,576.34-2,021.32

Finding the Fourth Proportional to 5,721.40, 8,576.34 and 2,021.32

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Solution

The fourth proportional to 5,721.40, 8,576.34 and 2,021.32 is: 3,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.40 : 8,576.34 = 2,021.32 : x
  2. Step 2: Convert to fraction form
    5,721.40/8,576.34 = 2,021.32/x
  3. Step 3: Cross multiply
    5,721.40x = 8,576.34 × 2,021.32
  4. Step 4: Simplify right side
    5,721.40x = 17,335,527.57
  5. Step 5: Solve for x
    x = 17,335,527.57/5,721.40
  6. Step 6: Final answer
    x = 3,029.95

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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.