Home / 7,487.27-11,231.19-2,556.93

Finding the Fourth Proportional to 7,487.27, 11,231.19 and 2,556.93

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Solution

The fourth proportional to 7,487.27, 11,231.19 and 2,556.93 is: 3,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.27 : 11,231.19 = 2,556.93 : x
  2. Step 2: Convert to fraction form
    7,487.27/11,231.19 = 2,556.93/x
  3. Step 3: Cross multiply
    7,487.27x = 11,231.19 × 2,556.93
  4. Step 4: Simplify right side
    7,487.27x = 28,717,366.65
  5. Step 5: Solve for x
    x = 28,717,366.65/7,487.27
  6. Step 6: Final answer
    x = 3,835.49

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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.