Home / 4,319.35-6,477.81-1,198.60

Finding the Fourth Proportional to 4,319.35, 6,477.81 and 1,198.60

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Solution

The fourth proportional to 4,319.35, 6,477.81 and 1,198.60 is: 1,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.35 : 6,477.81 = 1,198.60 : x
  2. Step 2: Convert to fraction form
    4,319.35/6,477.81 = 1,198.60/x
  3. Step 3: Cross multiply
    4,319.35x = 6,477.81 × 1,198.60
  4. Step 4: Simplify right side
    4,319.35x = 7,764,303.07
  5. Step 5: Solve for x
    x = 7,764,303.07/4,319.35
  6. Step 6: Final answer
    x = 1,797.56

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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.