Home / 5,179.69-7,148.12-2,941.43

Finding the Fourth Proportional to 5,179.69, 7,148.12 and 2,941.43

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Solution

The fourth proportional to 5,179.69, 7,148.12 and 2,941.43 is: 4,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.69 : 7,148.12 = 2,941.43 : x
  2. Step 2: Convert to fraction form
    5,179.69/7,148.12 = 2,941.43/x
  3. Step 3: Cross multiply
    5,179.69x = 7,148.12 × 2,941.43
  4. Step 4: Simplify right side
    5,179.69x = 21,025,644.16
  5. Step 5: Solve for x
    x = 21,025,644.16/5,179.69
  6. Step 6: Final answer
    x = 4,059.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.