Home / 5,161.06-7,741.74-1,265.48

Finding the Fourth Proportional to 5,161.06, 7,741.74 and 1,265.48

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Solution

The fourth proportional to 5,161.06, 7,741.74 and 1,265.48 is: 1,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.06 : 7,741.74 = 1,265.48 : x
  2. Step 2: Convert to fraction form
    5,161.06/7,741.74 = 1,265.48/x
  3. Step 3: Cross multiply
    5,161.06x = 7,741.74 × 1,265.48
  4. Step 4: Simplify right side
    5,161.06x = 9,797,017.14
  5. Step 5: Solve for x
    x = 9,797,017.14/5,161.06
  6. Step 6: Final answer
    x = 1,898.26

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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.