Home / 7,687.49-11,535.62-3,007.88

Finding the Fourth Proportional to 7,687.49, 11,535.62 and 3,007.88

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Solution

The fourth proportional to 7,687.49, 11,535.62 and 3,007.88 is: 4,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.49 : 11,535.62 = 3,007.88 : x
  2. Step 2: Convert to fraction form
    7,687.49/11,535.62 = 3,007.88/x
  3. Step 3: Cross multiply
    7,687.49x = 11,535.62 × 3,007.88
  4. Step 4: Simplify right side
    7,687.49x = 34,697,760.69
  5. Step 5: Solve for x
    x = 34,697,760.69/7,687.49
  6. Step 6: Final answer
    x = 4,513.54

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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.