Home / 7,765.29-11,645.19-2,500.09

Finding the Fourth Proportional to 7,765.29, 11,645.19 and 2,500.09

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Solution

The fourth proportional to 7,765.29, 11,645.19 and 2,500.09 is: 3,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.29 : 11,645.19 = 2,500.09 : x
  2. Step 2: Convert to fraction form
    7,765.29/11,645.19 = 2,500.09/x
  3. Step 3: Cross multiply
    7,765.29x = 11,645.19 × 2,500.09
  4. Step 4: Simplify right side
    7,765.29x = 29,113,993.95
  5. Step 5: Solve for x
    x = 29,113,993.95/7,765.29
  6. Step 6: Final answer
    x = 3,749.25

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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.