Home / 4,078.20-6,110.10-3,343.80

Finding the Fourth Proportional to 4,078.20, 6,110.10 and 3,343.80

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Solution

The fourth proportional to 4,078.20, 6,110.10 and 3,343.80 is: 5,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.20 : 6,110.10 = 3,343.80 : x
  2. Step 2: Convert to fraction form
    4,078.20/6,110.10 = 3,343.80/x
  3. Step 3: Cross multiply
    4,078.20x = 6,110.10 × 3,343.80
  4. Step 4: Simplify right side
    4,078.20x = 20,430,952.38
  5. Step 5: Solve for x
    x = 20,430,952.38/4,078.20
  6. Step 6: Final answer
    x = 5,009.80

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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.