Home / 9,161.25-13,741.19-2,921.01

Finding the Fourth Proportional to 9,161.25, 13,741.19 and 2,921.01

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Solution

The fourth proportional to 9,161.25, 13,741.19 and 2,921.01 is: 4,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.25 : 13,741.19 = 2,921.01 : x
  2. Step 2: Convert to fraction form
    9,161.25/13,741.19 = 2,921.01/x
  3. Step 3: Cross multiply
    9,161.25x = 13,741.19 × 2,921.01
  4. Step 4: Simplify right side
    9,161.25x = 40,138,138.80
  5. Step 5: Solve for x
    x = 40,138,138.80/9,161.25
  6. Step 6: Final answer
    x = 4,381.29

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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.