Home / 4,579.17-6,879.68-2,938.92

Finding the Fourth Proportional to 4,579.17, 6,879.68 and 2,938.92

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Solution

The fourth proportional to 4,579.17, 6,879.68 and 2,938.92 is: 4,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.17 : 6,879.68 = 2,938.92 : x
  2. Step 2: Convert to fraction form
    4,579.17/6,879.68 = 2,938.92/x
  3. Step 3: Cross multiply
    4,579.17x = 6,879.68 × 2,938.92
  4. Step 4: Simplify right side
    4,579.17x = 20,218,816.20
  5. Step 5: Solve for x
    x = 20,218,816.20/4,579.17
  6. Step 6: Final answer
    x = 4,415.39

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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.