Home / 5,821.58-8,724.59-2,855.49

Finding the Fourth Proportional to 5,821.58, 8,724.59 and 2,855.49

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Solution

The fourth proportional to 5,821.58, 8,724.59 and 2,855.49 is: 4,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.58 : 8,724.59 = 2,855.49 : x
  2. Step 2: Convert to fraction form
    5,821.58/8,724.59 = 2,855.49/x
  3. Step 3: Cross multiply
    5,821.58x = 8,724.59 × 2,855.49
  4. Step 4: Simplify right side
    5,821.58x = 24,912,943.21
  5. Step 5: Solve for x
    x = 24,912,943.21/5,821.58
  6. Step 6: Final answer
    x = 4,279.41

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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.