Home / 4,120.02-6,180.48-1,198.80

Finding the Fourth Proportional to 4,120.02, 6,180.48 and 1,198.80

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Solution

The fourth proportional to 4,120.02, 6,180.48 and 1,198.80 is: 1,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.02 : 6,180.48 = 1,198.80 : x
  2. Step 2: Convert to fraction form
    4,120.02/6,180.48 = 1,198.80/x
  3. Step 3: Cross multiply
    4,120.02x = 6,180.48 × 1,198.80
  4. Step 4: Simplify right side
    4,120.02x = 7,409,159.42
  5. Step 5: Solve for x
    x = 7,409,159.42/4,120.02
  6. Step 6: Final answer
    x = 1,798.33

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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.