Home / 5,576.20-8,364.30-5,489.80

Finding the Fourth Proportional to 5,576.20, 8,364.30 and 5,489.80

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Solution

The fourth proportional to 5,576.20, 8,364.30 and 5,489.80 is: 8,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.20 : 8,364.30 = 5,489.80 : x
  2. Step 2: Convert to fraction form
    5,576.20/8,364.30 = 5,489.80/x
  3. Step 3: Cross multiply
    5,576.20x = 8,364.30 × 5,489.80
  4. Step 4: Simplify right side
    5,576.20x = 45,918,334.14
  5. Step 5: Solve for x
    x = 45,918,334.14/5,576.20
  6. Step 6: Final answer
    x = 8,234.70

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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.