Home / 4,980.70-7,475.66-2,517.25

Finding the Fourth Proportional to 4,980.70, 7,475.66 and 2,517.25

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Solution

The fourth proportional to 4,980.70, 7,475.66 and 2,517.25 is: 3,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.70 : 7,475.66 = 2,517.25 : x
  2. Step 2: Convert to fraction form
    4,980.70/7,475.66 = 2,517.25/x
  3. Step 3: Cross multiply
    4,980.70x = 7,475.66 × 2,517.25
  4. Step 4: Simplify right side
    4,980.70x = 18,818,105.14
  5. Step 5: Solve for x
    x = 18,818,105.14/4,980.70
  6. Step 6: Final answer
    x = 3,778.20

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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.