Home / 6,856.25-10,289.84-3,896.51

Finding the Fourth Proportional to 6,856.25, 10,289.84 and 3,896.51

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Solution

The fourth proportional to 6,856.25, 10,289.84 and 3,896.51 is: 5,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.25 : 10,289.84 = 3,896.51 : x
  2. Step 2: Convert to fraction form
    6,856.25/10,289.84 = 3,896.51/x
  3. Step 3: Cross multiply
    6,856.25x = 10,289.84 × 3,896.51
  4. Step 4: Simplify right side
    6,856.25x = 40,094,393.53
  5. Step 5: Solve for x
    x = 40,094,393.53/6,856.25
  6. Step 6: Final answer
    x = 5,847.86

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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.