Home / 5,716.98-8,576.28-1,821.42

Finding the Fourth Proportional to 5,716.98, 8,576.28 and 1,821.42

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Solution

The fourth proportional to 5,716.98, 8,576.28 and 1,821.42 is: 2,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.98 : 8,576.28 = 1,821.42 : x
  2. Step 2: Convert to fraction form
    5,716.98/8,576.28 = 1,821.42/x
  3. Step 3: Cross multiply
    5,716.98x = 8,576.28 × 1,821.42
  4. Step 4: Simplify right side
    5,716.98x = 15,621,007.92
  5. Step 5: Solve for x
    x = 15,621,007.92/5,716.98
  6. Step 6: Final answer
    x = 2,732.39

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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.