Home / 5,476.56-8,216.73-2,556.78

Finding the Fourth Proportional to 5,476.56, 8,216.73 and 2,556.78

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Solution

The fourth proportional to 5,476.56, 8,216.73 and 2,556.78 is: 3,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.56 : 8,216.73 = 2,556.78 : x
  2. Step 2: Convert to fraction form
    5,476.56/8,216.73 = 2,556.78/x
  3. Step 3: Cross multiply
    5,476.56x = 8,216.73 × 2,556.78
  4. Step 4: Simplify right side
    5,476.56x = 21,008,370.93
  5. Step 5: Solve for x
    x = 21,008,370.93/5,476.56
  6. Step 6: Final answer
    x = 3,836.05

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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.