Home / 9,122.48-13,685.64-2,966

Finding the Fourth Proportional to 9,122.48, 13,685.64 and 2,966

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Solution

The fourth proportional to 9,122.48, 13,685.64 and 2,966 is: 4,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.48 : 13,685.64 = 2,966 : x
  2. Step 2: Convert to fraction form
    9,122.48/13,685.64 = 2,966/x
  3. Step 3: Cross multiply
    9,122.48x = 13,685.64 × 2,966
  4. Step 4: Simplify right side
    9,122.48x = 40,591,608.24
  5. Step 5: Solve for x
    x = 40,591,608.24/9,122.48
  6. Step 6: Final answer
    x = 4,449.62

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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.