Home / 9,165.09-13,748.37-2,591.79

Finding the Fourth Proportional to 9,165.09, 13,748.37 and 2,591.79

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Solution

The fourth proportional to 9,165.09, 13,748.37 and 2,591.79 is: 3,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.09 : 13,748.37 = 2,591.79 : x
  2. Step 2: Convert to fraction form
    9,165.09/13,748.37 = 2,591.79/x
  3. Step 3: Cross multiply
    9,165.09x = 13,748.37 × 2,591.79
  4. Step 4: Simplify right side
    9,165.09x = 35,632,887.88
  5. Step 5: Solve for x
    x = 35,632,887.88/9,165.09
  6. Step 6: Final answer
    x = 3,887.89

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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.