Home / 4,815.41-7,221.69-2,040.55

Finding the Fourth Proportional to 4,815.41, 7,221.69 and 2,040.55

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Solution

The fourth proportional to 4,815.41, 7,221.69 and 2,040.55 is: 3,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.41 : 7,221.69 = 2,040.55 : x
  2. Step 2: Convert to fraction form
    4,815.41/7,221.69 = 2,040.55/x
  3. Step 3: Cross multiply
    4,815.41x = 7,221.69 × 2,040.55
  4. Step 4: Simplify right side
    4,815.41x = 14,736,201.48
  5. Step 5: Solve for x
    x = 14,736,201.48/4,815.41
  6. Step 6: Final answer
    x = 3,060.22

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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.