Home / 5,518.20-8,282.50-2,011.60

Finding the Fourth Proportional to 5,518.20, 8,282.50 and 2,011.60

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Solution

The fourth proportional to 5,518.20, 8,282.50 and 2,011.60 is: 3,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.20 : 8,282.50 = 2,011.60 : x
  2. Step 2: Convert to fraction form
    5,518.20/8,282.50 = 2,011.60/x
  3. Step 3: Cross multiply
    5,518.20x = 8,282.50 × 2,011.60
  4. Step 4: Simplify right side
    5,518.20x = 16,661,030.56
  5. Step 5: Solve for x
    x = 16,661,030.56/5,518.20
  6. Step 6: Final answer
    x = 3,019.29

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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.