Home / 6,849.78-10,272.60-3,561.08

Finding the Fourth Proportional to 6,849.78, 10,272.60 and 3,561.08

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Solution

The fourth proportional to 6,849.78, 10,272.60 and 3,561.08 is: 5,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.78 : 10,272.60 = 3,561.08 : x
  2. Step 2: Convert to fraction form
    6,849.78/10,272.60 = 3,561.08/x
  3. Step 3: Cross multiply
    6,849.78x = 10,272.60 × 3,561.08
  4. Step 4: Simplify right side
    6,849.78x = 36,581,499.05
  5. Step 5: Solve for x
    x = 36,581,499.05/6,849.78
  6. Step 6: Final answer
    x = 5,340.54

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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.