Home / 5,477.61-8,213.94-2,556.75

Finding the Fourth Proportional to 5,477.61, 8,213.94 and 2,556.75

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Solution

The fourth proportional to 5,477.61, 8,213.94 and 2,556.75 is: 3,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.61 : 8,213.94 = 2,556.75 : x
  2. Step 2: Convert to fraction form
    5,477.61/8,213.94 = 2,556.75/x
  3. Step 3: Cross multiply
    5,477.61x = 8,213.94 × 2,556.75
  4. Step 4: Simplify right side
    5,477.61x = 21,000,991.10
  5. Step 5: Solve for x
    x = 21,000,991.10/5,477.61
  6. Step 6: Final answer
    x = 3,833.97

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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.