Home / 9,180.51-13,771.67-2,938.95

Finding the Fourth Proportional to 9,180.51, 13,771.67 and 2,938.95

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Solution

The fourth proportional to 9,180.51, 13,771.67 and 2,938.95 is: 4,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.51 : 13,771.67 = 2,938.95 : x
  2. Step 2: Convert to fraction form
    9,180.51/13,771.67 = 2,938.95/x
  3. Step 3: Cross multiply
    9,180.51x = 13,771.67 × 2,938.95
  4. Step 4: Simplify right side
    9,180.51x = 40,474,249.55
  5. Step 5: Solve for x
    x = 40,474,249.55/9,180.51
  6. Step 6: Final answer
    x = 4,408.71

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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.