Home / 4,318.67-6,478.00-1,198.68

Finding the Fourth Proportional to 4,318.67, 6,478.00 and 1,198.68

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Solution

The fourth proportional to 4,318.67, 6,478.00 and 1,198.68 is: 1,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.67 : 6,478.00 = 1,198.68 : x
  2. Step 2: Convert to fraction form
    4,318.67/6,478.00 = 1,198.68/x
  3. Step 3: Cross multiply
    4,318.67x = 6,478.00 × 1,198.68
  4. Step 4: Simplify right side
    4,318.67x = 7,765,039.29
  5. Step 5: Solve for x
    x = 7,765,039.29/4,318.67
  6. Step 6: Final answer
    x = 1,798.02

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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.