Home / 7,837.56-11,757.64-2,571.08

Finding the Fourth Proportional to 7,837.56, 11,757.64 and 2,571.08

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Solution

The fourth proportional to 7,837.56, 11,757.64 and 2,571.08 is: 3,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.56 : 11,757.64 = 2,571.08 : x
  2. Step 2: Convert to fraction form
    7,837.56/11,757.64 = 2,571.08/x
  3. Step 3: Cross multiply
    7,837.56x = 11,757.64 × 2,571.08
  4. Step 4: Simplify right side
    7,837.56x = 30,229,833.05
  5. Step 5: Solve for x
    x = 30,229,833.05/7,837.56
  6. Step 6: Final answer
    x = 3,857.05

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1.5x scale

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.