Home / 5,180.84-7,149.18-2,943.02

Finding the Fourth Proportional to 5,180.84, 7,149.18 and 2,943.02

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Solution

The fourth proportional to 5,180.84, 7,149.18 and 2,943.02 is: 4,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.84 : 7,149.18 = 2,943.02 : x
  2. Step 2: Convert to fraction form
    5,180.84/7,149.18 = 2,943.02/x
  3. Step 3: Cross multiply
    5,180.84x = 7,149.18 × 2,943.02
  4. Step 4: Simplify right side
    5,180.84x = 21,040,179.72
  5. Step 5: Solve for x
    x = 21,040,179.72/5,180.84
  6. Step 6: Final answer
    x = 4,061.15

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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.