Home / 9,119.45-13,673.48-3,851.75

Finding the Fourth Proportional to 9,119.45, 13,673.48 and 3,851.75

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Solution

The fourth proportional to 9,119.45, 13,673.48 and 3,851.75 is: 5,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.45 : 13,673.48 = 3,851.75 : x
  2. Step 2: Convert to fraction form
    9,119.45/13,673.48 = 3,851.75/x
  3. Step 3: Cross multiply
    9,119.45x = 13,673.48 × 3,851.75
  4. Step 4: Simplify right side
    9,119.45x = 52,666,738.96
  5. Step 5: Solve for x
    x = 52,666,738.96/9,119.45
  6. Step 6: Final answer
    x = 5,775.21

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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.