Home / 9,051.96-13,579.38-3,857.88

Finding the Fourth Proportional to 9,051.96, 13,579.38 and 3,857.88

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Solution

The fourth proportional to 9,051.96, 13,579.38 and 3,857.88 is: 5,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.96 : 13,579.38 = 3,857.88 : x
  2. Step 2: Convert to fraction form
    9,051.96/13,579.38 = 3,857.88/x
  3. Step 3: Cross multiply
    9,051.96x = 13,579.38 × 3,857.88
  4. Step 4: Simplify right side
    9,051.96x = 52,387,618.51
  5. Step 5: Solve for x
    x = 52,387,618.51/9,051.96
  6. Step 6: Final answer
    x = 5,787.43

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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.