Home / 5,504.20-8,245.10-3,417.80

Finding the Fourth Proportional to 5,504.20, 8,245.10 and 3,417.80

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Solution

The fourth proportional to 5,504.20, 8,245.10 and 3,417.80 is: 5,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,504.20 : 8,245.10 = 3,417.80 : x
  2. Step 2: Convert to fraction form
    5,504.20/8,245.10 = 3,417.80/x
  3. Step 3: Cross multiply
    5,504.20x = 8,245.10 × 3,417.80
  4. Step 4: Simplify right side
    5,504.20x = 28,180,102.78
  5. Step 5: Solve for x
    x = 28,180,102.78/5,504.20
  6. Step 6: Final answer
    x = 5,119.75

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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.