Home / 9,147.64-13,726.46-3,881.84

Finding the Fourth Proportional to 9,147.64, 13,726.46 and 3,881.84

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Solution

The fourth proportional to 9,147.64, 13,726.46 and 3,881.84 is: 5,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.64 : 13,726.46 = 3,881.84 : x
  2. Step 2: Convert to fraction form
    9,147.64/13,726.46 = 3,881.84/x
  3. Step 3: Cross multiply
    9,147.64x = 13,726.46 × 3,881.84
  4. Step 4: Simplify right side
    9,147.64x = 53,283,921.49
  5. Step 5: Solve for x
    x = 53,283,921.49/9,147.64
  6. Step 6: Final answer
    x = 5,824.88

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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.