Home / 5,455.37-8,182.62-1,756.64

Finding the Fourth Proportional to 5,455.37, 8,182.62 and 1,756.64

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Solution

The fourth proportional to 5,455.37, 8,182.62 and 1,756.64 is: 2,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.37 : 8,182.62 = 1,756.64 : x
  2. Step 2: Convert to fraction form
    5,455.37/8,182.62 = 1,756.64/x
  3. Step 3: Cross multiply
    5,455.37x = 8,182.62 × 1,756.64
  4. Step 4: Simplify right side
    5,455.37x = 14,373,876.68
  5. Step 5: Solve for x
    x = 14,373,876.68/5,455.37
  6. Step 6: Final answer
    x = 2,634.81

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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.