Home / 7,717.48-11,566.92-3,551.79

Finding the Fourth Proportional to 7,717.48, 11,566.92 and 3,551.79

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Solution

The fourth proportional to 7,717.48, 11,566.92 and 3,551.79 is: 5,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.48 : 11,566.92 = 3,551.79 : x
  2. Step 2: Convert to fraction form
    7,717.48/11,566.92 = 3,551.79/x
  3. Step 3: Cross multiply
    7,717.48x = 11,566.92 × 3,551.79
  4. Step 4: Simplify right side
    7,717.48x = 41,083,270.79
  5. Step 5: Solve for x
    x = 41,083,270.79/7,717.48
  6. Step 6: Final answer
    x = 5,323.40

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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.