Home / 4,114.71-6,172.70-1,340.73

Finding the Fourth Proportional to 4,114.71, 6,172.70 and 1,340.73

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Solution

The fourth proportional to 4,114.71, 6,172.70 and 1,340.73 is: 2,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.71 : 6,172.70 = 1,340.73 : x
  2. Step 2: Convert to fraction form
    4,114.71/6,172.70 = 1,340.73/x
  3. Step 3: Cross multiply
    4,114.71x = 6,172.70 × 1,340.73
  4. Step 4: Simplify right side
    4,114.71x = 8,275,936.15
  5. Step 5: Solve for x
    x = 8,275,936.15/4,114.71
  6. Step 6: Final answer
    x = 2,011.31

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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.