Home / 7,974.42-11,953.87-3,813.35

Finding the Fourth Proportional to 7,974.42, 11,953.87 and 3,813.35

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Solution

The fourth proportional to 7,974.42, 11,953.87 and 3,813.35 is: 5,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.42 : 11,953.87 = 3,813.35 : x
  2. Step 2: Convert to fraction form
    7,974.42/11,953.87 = 3,813.35/x
  3. Step 3: Cross multiply
    7,974.42x = 11,953.87 × 3,813.35
  4. Step 4: Simplify right side
    7,974.42x = 45,584,220.86
  5. Step 5: Solve for x
    x = 45,584,220.86/7,974.42
  6. Step 6: Final answer
    x = 5,716.31

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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.