Home / 5,179.93-7,148.19-2,941.77

Finding the Fourth Proportional to 5,179.93, 7,148.19 and 2,941.77

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Solution

The fourth proportional to 5,179.93, 7,148.19 and 2,941.77 is: 4,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.93 : 7,148.19 = 2,941.77 : x
  2. Step 2: Convert to fraction form
    5,179.93/7,148.19 = 2,941.77/x
  3. Step 3: Cross multiply
    5,179.93x = 7,148.19 × 2,941.77
  4. Step 4: Simplify right side
    5,179.93x = 21,028,330.90
  5. Step 5: Solve for x
    x = 21,028,330.90/5,179.93
  6. Step 6: Final answer
    x = 4,059.58

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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.