Home / 5,477.45-8,211.31-2,551.73

Finding the Fourth Proportional to 5,477.45, 8,211.31 and 2,551.73

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Solution

The fourth proportional to 5,477.45, 8,211.31 and 2,551.73 is: 3,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.45 : 8,211.31 = 2,551.73 : x
  2. Step 2: Convert to fraction form
    5,477.45/8,211.31 = 2,551.73/x
  3. Step 3: Cross multiply
    5,477.45x = 8,211.31 × 2,551.73
  4. Step 4: Simplify right side
    5,477.45x = 20,953,046.07
  5. Step 5: Solve for x
    x = 20,953,046.07/5,477.45
  6. Step 6: Final answer
    x = 3,825.33

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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.