Home / 5,180.55-7,765.07-3,103.35

Finding the Fourth Proportional to 5,180.55, 7,765.07 and 3,103.35

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Solution

The fourth proportional to 5,180.55, 7,765.07 and 3,103.35 is: 4,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.55 : 7,765.07 = 3,103.35 : x
  2. Step 2: Convert to fraction form
    5,180.55/7,765.07 = 3,103.35/x
  3. Step 3: Cross multiply
    5,180.55x = 7,765.07 × 3,103.35
  4. Step 4: Simplify right side
    5,180.55x = 24,097,714.47
  5. Step 5: Solve for x
    x = 24,097,714.47/5,180.55
  6. Step 6: Final answer
    x = 4,651.57

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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.