Home / 6,579.75-9,078.54-3,926.64

Finding the Fourth Proportional to 6,579.75, 9,078.54 and 3,926.64

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Solution

The fourth proportional to 6,579.75, 9,078.54 and 3,926.64 is: 5,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.75 : 9,078.54 = 3,926.64 : x
  2. Step 2: Convert to fraction form
    6,579.75/9,078.54 = 3,926.64/x
  3. Step 3: Cross multiply
    6,579.75x = 9,078.54 × 3,926.64
  4. Step 4: Simplify right side
    6,579.75x = 35,648,158.31
  5. Step 5: Solve for x
    x = 35,648,158.31/6,579.75
  6. Step 6: Final answer
    x = 5,417.86

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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.