Home / 9,161.13-13,744.29-2,587.38

Finding the Fourth Proportional to 9,161.13, 13,744.29 and 2,587.38

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Solution

The fourth proportional to 9,161.13, 13,744.29 and 2,587.38 is: 3,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.13 : 13,744.29 = 2,587.38 : x
  2. Step 2: Convert to fraction form
    9,161.13/13,744.29 = 2,587.38/x
  3. Step 3: Cross multiply
    9,161.13x = 13,744.29 × 2,587.38
  4. Step 4: Simplify right side
    9,161.13x = 35,561,701.06
  5. Step 5: Solve for x
    x = 35,561,701.06/9,161.13
  6. Step 6: Final answer
    x = 3,881.80

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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.