Home / 5,180.25-7,770.56-1,717.41

Finding the Fourth Proportional to 5,180.25, 7,770.56 and 1,717.41

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Solution

The fourth proportional to 5,180.25, 7,770.56 and 1,717.41 is: 2,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.25 : 7,770.56 = 1,717.41 : x
  2. Step 2: Convert to fraction form
    5,180.25/7,770.56 = 1,717.41/x
  3. Step 3: Cross multiply
    5,180.25x = 7,770.56 × 1,717.41
  4. Step 4: Simplify right side
    5,180.25x = 13,345,237.45
  5. Step 5: Solve for x
    x = 13,345,237.45/5,180.25
  6. Step 6: Final answer
    x = 2,576.18

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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.