Home / 5,518.45-8,271.19-2,744.29

Finding the Fourth Proportional to 5,518.45, 8,271.19 and 2,744.29

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Solution

The fourth proportional to 5,518.45, 8,271.19 and 2,744.29 is: 4,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.45 : 8,271.19 = 2,744.29 : x
  2. Step 2: Convert to fraction form
    5,518.45/8,271.19 = 2,744.29/x
  3. Step 3: Cross multiply
    5,518.45x = 8,271.19 × 2,744.29
  4. Step 4: Simplify right side
    5,518.45x = 22,698,544.01
  5. Step 5: Solve for x
    x = 22,698,544.01/5,518.45
  6. Step 6: Final answer
    x = 4,113.21

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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.