Home / 5,638.32-8,456.94-2,518.38

Finding the Fourth Proportional to 5,638.32, 8,456.94 and 2,518.38

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Solution

The fourth proportional to 5,638.32, 8,456.94 and 2,518.38 is: 3,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.32 : 8,456.94 = 2,518.38 : x
  2. Step 2: Convert to fraction form
    5,638.32/8,456.94 = 2,518.38/x
  3. Step 3: Cross multiply
    5,638.32x = 8,456.94 × 2,518.38
  4. Step 4: Simplify right side
    5,638.32x = 21,297,788.56
  5. Step 5: Solve for x
    x = 21,297,788.56/5,638.32
  6. Step 6: Final answer
    x = 3,777.33

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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.