Home / 5,455.92-8,186.31-2,858.25

Finding the Fourth Proportional to 5,455.92, 8,186.31 and 2,858.25

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Solution

The fourth proportional to 5,455.92, 8,186.31 and 2,858.25 is: 4,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.92 : 8,186.31 = 2,858.25 : x
  2. Step 2: Convert to fraction form
    5,455.92/8,186.31 = 2,858.25/x
  3. Step 3: Cross multiply
    5,455.92x = 8,186.31 × 2,858.25
  4. Step 4: Simplify right side
    5,455.92x = 23,398,520.56
  5. Step 5: Solve for x
    x = 23,398,520.56/5,455.92
  6. Step 6: Final answer
    x = 4,288.65

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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.