Home / 4,980.17-7,460.53-3,879.38

Finding the Fourth Proportional to 4,980.17, 7,460.53 and 3,879.38

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Solution

The fourth proportional to 4,980.17, 7,460.53 and 3,879.38 is: 5,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.17 : 7,460.53 = 3,879.38 : x
  2. Step 2: Convert to fraction form
    4,980.17/7,460.53 = 3,879.38/x
  3. Step 3: Cross multiply
    4,980.17x = 7,460.53 × 3,879.38
  4. Step 4: Simplify right side
    4,980.17x = 28,942,174.17
  5. Step 5: Solve for x
    x = 28,942,174.17/4,980.17
  6. Step 6: Final answer
    x = 5,811.49

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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.