Home / 9,425.87-14,138.79-2,405.88

Finding the Fourth Proportional to 9,425.87, 14,138.79 and 2,405.88

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Solution

The fourth proportional to 9,425.87, 14,138.79 and 2,405.88 is: 3,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.87 : 14,138.79 = 2,405.88 : x
  2. Step 2: Convert to fraction form
    9,425.87/14,138.79 = 2,405.88/x
  3. Step 3: Cross multiply
    9,425.87x = 14,138.79 × 2,405.88
  4. Step 4: Simplify right side
    9,425.87x = 34,016,232.09
  5. Step 5: Solve for x
    x = 34,016,232.09/9,425.87
  6. Step 6: Final answer
    x = 3,608.82

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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.