Home / 5,927.20-8,179.50-3,274.80

Finding the Fourth Proportional to 5,927.20, 8,179.50 and 3,274.80

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Solution

The fourth proportional to 5,927.20, 8,179.50 and 3,274.80 is: 4,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.20 : 8,179.50 = 3,274.80 : x
  2. Step 2: Convert to fraction form
    5,927.20/8,179.50 = 3,274.80/x
  3. Step 3: Cross multiply
    5,927.20x = 8,179.50 × 3,274.80
  4. Step 4: Simplify right side
    5,927.20x = 26,786,226.60
  5. Step 5: Solve for x
    x = 26,786,226.60/5,927.20
  6. Step 6: Final answer
    x = 4,519.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.