Home / 4,982.20-7,466.10-4,247.80

Finding the Fourth Proportional to 4,982.20, 7,466.10 and 4,247.80

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Solution

The fourth proportional to 4,982.20, 7,466.10 and 4,247.80 is: 6,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.20 : 7,466.10 = 4,247.80 : x
  2. Step 2: Convert to fraction form
    4,982.20/7,466.10 = 4,247.80/x
  3. Step 3: Cross multiply
    4,982.20x = 7,466.10 × 4,247.80
  4. Step 4: Simplify right side
    4,982.20x = 31,714,499.58
  5. Step 5: Solve for x
    x = 31,714,499.58/4,982.20
  6. Step 6: Final answer
    x = 6,365.56

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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.