Home / 6,579.62-9,076.78-3,889.05

Finding the Fourth Proportional to 6,579.62, 9,076.78 and 3,889.05

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Solution

The fourth proportional to 6,579.62, 9,076.78 and 3,889.05 is: 5,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.62 : 9,076.78 = 3,889.05 : x
  2. Step 2: Convert to fraction form
    6,579.62/9,076.78 = 3,889.05/x
  3. Step 3: Cross multiply
    6,579.62x = 9,076.78 × 3,889.05
  4. Step 4: Simplify right side
    6,579.62x = 35,300,051.26
  5. Step 5: Solve for x
    x = 35,300,051.26/6,579.62
  6. Step 6: Final answer
    x = 5,365.06

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1.5x scale

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.