Home / 4,812.75-7,219.95-2,040.75

Finding the Fourth Proportional to 4,812.75, 7,219.95 and 2,040.75

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Solution

The fourth proportional to 4,812.75, 7,219.95 and 2,040.75 is: 3,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.75 : 7,219.95 = 2,040.75 : x
  2. Step 2: Convert to fraction form
    4,812.75/7,219.95 = 2,040.75/x
  3. Step 3: Cross multiply
    4,812.75x = 7,219.95 × 2,040.75
  4. Step 4: Simplify right side
    4,812.75x = 14,734,112.96
  5. Step 5: Solve for x
    x = 14,734,112.96/4,812.75
  6. Step 6: Final answer
    x = 3,061.47

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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.