Home / 5,080.95-7,620.64-1,962.43

Finding the Fourth Proportional to 5,080.95, 7,620.64 and 1,962.43

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Solution

The fourth proportional to 5,080.95, 7,620.64 and 1,962.43 is: 2,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.95 : 7,620.64 = 1,962.43 : x
  2. Step 2: Convert to fraction form
    5,080.95/7,620.64 = 1,962.43/x
  3. Step 3: Cross multiply
    5,080.95x = 7,620.64 × 1,962.43
  4. Step 4: Simplify right side
    5,080.95x = 14,954,972.56
  5. Step 5: Solve for x
    x = 14,954,972.56/5,080.95
  6. Step 6: Final answer
    x = 2,943.34

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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.