Home / 5,489.80-8,234.70-5,453.35

Finding the Fourth Proportional to 5,489.80, 8,234.70 and 5,453.35

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Solution

The fourth proportional to 5,489.80, 8,234.70 and 5,453.35 is: 8,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.80 : 8,234.70 = 5,453.35 : x
  2. Step 2: Convert to fraction form
    5,489.80/8,234.70 = 5,453.35/x
  3. Step 3: Cross multiply
    5,489.80x = 8,234.70 × 5,453.35
  4. Step 4: Simplify right side
    5,489.80x = 44,906,701.25
  5. Step 5: Solve for x
    x = 44,906,701.25/5,489.80
  6. Step 6: Final answer
    x = 8,180.03

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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.