Home / 5,317.65-7,976.67-2,717.55

Finding the Fourth Proportional to 5,317.65, 7,976.67 and 2,717.55

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Solution

The fourth proportional to 5,317.65, 7,976.67 and 2,717.55 is: 4,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.65 : 7,976.67 = 2,717.55 : x
  2. Step 2: Convert to fraction form
    5,317.65/7,976.67 = 2,717.55/x
  3. Step 3: Cross multiply
    5,317.65x = 7,976.67 × 2,717.55
  4. Step 4: Simplify right side
    5,317.65x = 21,676,999.56
  5. Step 5: Solve for x
    x = 21,676,999.56/5,317.65
  6. Step 6: Final answer
    x = 4,076.42

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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.