Home / 5,180.96-7,771.80-1,717.04

Finding the Fourth Proportional to 5,180.96, 7,771.80 and 1,717.04

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Solution

The fourth proportional to 5,180.96, 7,771.80 and 1,717.04 is: 2,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.96 : 7,771.80 = 1,717.04 : x
  2. Step 2: Convert to fraction form
    5,180.96/7,771.80 = 1,717.04/x
  3. Step 3: Cross multiply
    5,180.96x = 7,771.80 × 1,717.04
  4. Step 4: Simplify right side
    5,180.96x = 13,344,491.47
  5. Step 5: Solve for x
    x = 13,344,491.47/5,180.96
  6. Step 6: Final answer
    x = 2,575.68

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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.