Home / 5,815.84-8,027.88-3,579.28

Finding the Fourth Proportional to 5,815.84, 8,027.88 and 3,579.28

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Solution

The fourth proportional to 5,815.84, 8,027.88 and 3,579.28 is: 4,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.84 : 8,027.88 = 3,579.28 : x
  2. Step 2: Convert to fraction form
    5,815.84/8,027.88 = 3,579.28/x
  3. Step 3: Cross multiply
    5,815.84x = 8,027.88 × 3,579.28
  4. Step 4: Simplify right side
    5,815.84x = 28,734,030.33
  5. Step 5: Solve for x
    x = 28,734,030.33/5,815.84
  6. Step 6: Final answer
    x = 4,940.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.