Home / 9,318.25-13,977.33-3,771.55

Finding the Fourth Proportional to 9,318.25, 13,977.33 and 3,771.55

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Solution

The fourth proportional to 9,318.25, 13,977.33 and 3,771.55 is: 5,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.25 : 13,977.33 = 3,771.55 : x
  2. Step 2: Convert to fraction form
    9,318.25/13,977.33 = 3,771.55/x
  3. Step 3: Cross multiply
    9,318.25x = 13,977.33 × 3,771.55
  4. Step 4: Simplify right side
    9,318.25x = 52,716,198.96
  5. Step 5: Solve for x
    x = 52,716,198.96/9,318.25
  6. Step 6: Final answer
    x = 5,657.31

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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.