Home / 6,412.54-8,849.26-3,579.75

Finding the Fourth Proportional to 6,412.54, 8,849.26 and 3,579.75

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Solution

The fourth proportional to 6,412.54, 8,849.26 and 3,579.75 is: 4,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.54 : 8,849.26 = 3,579.75 : x
  2. Step 2: Convert to fraction form
    6,412.54/8,849.26 = 3,579.75/x
  3. Step 3: Cross multiply
    6,412.54x = 8,849.26 × 3,579.75
  4. Step 4: Simplify right side
    6,412.54x = 31,678,142.96
  5. Step 5: Solve for x
    x = 31,678,142.96/6,412.54
  6. Step 6: Final answer
    x = 4,940.03

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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.