Home / 5,080.46-7,618.29-3,298.64

Finding the Fourth Proportional to 5,080.46, 7,618.29 and 3,298.64

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Solution

The fourth proportional to 5,080.46, 7,618.29 and 3,298.64 is: 4,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.46 : 7,618.29 = 3,298.64 : x
  2. Step 2: Convert to fraction form
    5,080.46/7,618.29 = 3,298.64/x
  3. Step 3: Cross multiply
    5,080.46x = 7,618.29 × 3,298.64
  4. Step 4: Simplify right side
    5,080.46x = 25,129,958.03
  5. Step 5: Solve for x
    x = 25,129,958.03/5,080.46
  6. Step 6: Final answer
    x = 4,946.39

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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.