Home / 5,410.20-8,099.10-3,217.80

Finding the Fourth Proportional to 5,410.20, 8,099.10 and 3,217.80

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Solution

The fourth proportional to 5,410.20, 8,099.10 and 3,217.80 is: 4,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.20 : 8,099.10 = 3,217.80 : x
  2. Step 2: Convert to fraction form
    5,410.20/8,099.10 = 3,217.80/x
  3. Step 3: Cross multiply
    5,410.20x = 8,099.10 × 3,217.80
  4. Step 4: Simplify right side
    5,410.20x = 26,061,283.98
  5. Step 5: Solve for x
    x = 26,061,283.98/5,410.20
  6. Step 6: Final answer
    x = 4,817.06

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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.