Home / 6,081.03-9,120.24-1,921.36

Finding the Fourth Proportional to 6,081.03, 9,120.24 and 1,921.36

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Solution

The fourth proportional to 6,081.03, 9,120.24 and 1,921.36 is: 2,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.03 : 9,120.24 = 1,921.36 : x
  2. Step 2: Convert to fraction form
    6,081.03/9,120.24 = 1,921.36/x
  3. Step 3: Cross multiply
    6,081.03x = 9,120.24 × 1,921.36
  4. Step 4: Simplify right side
    6,081.03x = 17,523,264.33
  5. Step 5: Solve for x
    x = 17,523,264.33/6,081.03
  6. Step 6: Final answer
    x = 2,881.63

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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.