Home / 5,821.46-8,724.40-2,855.37

Finding the Fourth Proportional to 5,821.46, 8,724.40 and 2,855.37

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Solution

The fourth proportional to 5,821.46, 8,724.40 and 2,855.37 is: 4,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.46 : 8,724.40 = 2,855.37 : x
  2. Step 2: Convert to fraction form
    5,821.46/8,724.40 = 2,855.37/x
  3. Step 3: Cross multiply
    5,821.46x = 8,724.40 × 2,855.37
  4. Step 4: Simplify right side
    5,821.46x = 24,911,339.27
  5. Step 5: Solve for x
    x = 24,911,339.27/5,821.46
  6. Step 6: Final answer
    x = 4,279.23

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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.