Home / 9,161.52-13,743.90-2,921.94

Finding the Fourth Proportional to 9,161.52, 13,743.90 and 2,921.94

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Solution

The fourth proportional to 9,161.52, 13,743.90 and 2,921.94 is: 4,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.52 : 13,743.90 = 2,921.94 : x
  2. Step 2: Convert to fraction form
    9,161.52/13,743.90 = 2,921.94/x
  3. Step 3: Cross multiply
    9,161.52x = 13,743.90 × 2,921.94
  4. Step 4: Simplify right side
    9,161.52x = 40,158,851.17
  5. Step 5: Solve for x
    x = 40,158,851.17/9,161.52
  6. Step 6: Final answer
    x = 4,383.43

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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.