Home / 7,127.46-10,694.84-3,231.36

Finding the Fourth Proportional to 7,127.46, 10,694.84 and 3,231.36

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Solution

The fourth proportional to 7,127.46, 10,694.84 and 3,231.36 is: 4,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.46 : 10,694.84 = 3,231.36 : x
  2. Step 2: Convert to fraction form
    7,127.46/10,694.84 = 3,231.36/x
  3. Step 3: Cross multiply
    7,127.46x = 10,694.84 × 3,231.36
  4. Step 4: Simplify right side
    7,127.46x = 34,558,862.03
  5. Step 5: Solve for x
    x = 34,558,862.03/7,127.46
  6. Step 6: Final answer
    x = 4,848.69

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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.