Home / 4,812.14-7,217.30-2,040.78

Finding the Fourth Proportional to 4,812.14, 7,217.30 and 2,040.78

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Solution

The fourth proportional to 4,812.14, 7,217.30 and 2,040.78 is: 3,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.14 : 7,217.30 = 2,040.78 : x
  2. Step 2: Convert to fraction form
    4,812.14/7,217.30 = 2,040.78/x
  3. Step 3: Cross multiply
    4,812.14x = 7,217.30 × 2,040.78
  4. Step 4: Simplify right side
    4,812.14x = 14,728,921.49
  5. Step 5: Solve for x
    x = 14,728,921.49/4,812.14
  6. Step 6: Final answer
    x = 3,060.78

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1.5x scale

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.