Home / 5,449.77-8,162.19-4,277.09

Finding the Fourth Proportional to 5,449.77, 8,162.19 and 4,277.09

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Solution

The fourth proportional to 5,449.77, 8,162.19 and 4,277.09 is: 6,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.77 : 8,162.19 = 4,277.09 : x
  2. Step 2: Convert to fraction form
    5,449.77/8,162.19 = 4,277.09/x
  3. Step 3: Cross multiply
    5,449.77x = 8,162.19 × 4,277.09
  4. Step 4: Simplify right side
    5,449.77x = 34,910,380.42
  5. Step 5: Solve for x
    x = 34,910,380.42/5,449.77
  6. Step 6: Final answer
    x = 6,405.84

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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.