Home / 7,727.33-10,659.79-4,889.92

Finding the Fourth Proportional to 7,727.33, 10,659.79 and 4,889.92

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Solution

The fourth proportional to 7,727.33, 10,659.79 and 4,889.92 is: 6,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.33 : 10,659.79 = 4,889.92 : x
  2. Step 2: Convert to fraction form
    7,727.33/10,659.79 = 4,889.92/x
  3. Step 3: Cross multiply
    7,727.33x = 10,659.79 × 4,889.92
  4. Step 4: Simplify right side
    7,727.33x = 52,125,520.32
  5. Step 5: Solve for x
    x = 52,125,520.32/7,727.33
  6. Step 6: Final answer
    x = 6,745.61

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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.