Home / 5,489.56-8,225.97-3,515.73

Finding the Fourth Proportional to 5,489.56, 8,225.97 and 3,515.73

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Solution

The fourth proportional to 5,489.56, 8,225.97 and 3,515.73 is: 5,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.56 : 8,225.97 = 3,515.73 : x
  2. Step 2: Convert to fraction form
    5,489.56/8,225.97 = 3,515.73/x
  3. Step 3: Cross multiply
    5,489.56x = 8,225.97 × 3,515.73
  4. Step 4: Simplify right side
    5,489.56x = 28,920,289.51
  5. Step 5: Solve for x
    x = 28,920,289.51/5,489.56
  6. Step 6: Final answer
    x = 5,268.23

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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.