Home / 9,198.93-13,798.40-2,958.81

Finding the Fourth Proportional to 9,198.93, 13,798.40 and 2,958.81

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Solution

The fourth proportional to 9,198.93, 13,798.40 and 2,958.81 is: 4,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.93 : 13,798.40 = 2,958.81 : x
  2. Step 2: Convert to fraction form
    9,198.93/13,798.40 = 2,958.81/x
  3. Step 3: Cross multiply
    9,198.93x = 13,798.40 × 2,958.81
  4. Step 4: Simplify right side
    9,198.93x = 40,826,760.12
  5. Step 5: Solve for x
    x = 40,826,760.12/9,198.93
  6. Step 6: Final answer
    x = 4,438.21

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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.