Home / 7,727.09-10,659.44-4,889.67

Finding the Fourth Proportional to 7,727.09, 10,659.44 and 4,889.67

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Solution

The fourth proportional to 7,727.09, 10,659.44 and 4,889.67 is: 6,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.09 : 10,659.44 = 4,889.67 : x
  2. Step 2: Convert to fraction form
    7,727.09/10,659.44 = 4,889.67/x
  3. Step 3: Cross multiply
    7,727.09x = 10,659.44 × 4,889.67
  4. Step 4: Simplify right side
    7,727.09x = 52,121,119.54
  5. Step 5: Solve for x
    x = 52,121,119.54/7,727.09
  6. Step 6: Final answer
    x = 6,745.25

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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.