Home / 4,114.76-6,171.73-1,340.91

Finding the Fourth Proportional to 4,114.76, 6,171.73 and 1,340.91

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Solution

The fourth proportional to 4,114.76, 6,171.73 and 1,340.91 is: 2,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.76 : 6,171.73 = 1,340.91 : x
  2. Step 2: Convert to fraction form
    4,114.76/6,171.73 = 1,340.91/x
  3. Step 3: Cross multiply
    4,114.76x = 6,171.73 × 1,340.91
  4. Step 4: Simplify right side
    4,114.76x = 8,275,731.12
  5. Step 5: Solve for x
    x = 8,275,731.12/4,114.76
  6. Step 6: Final answer
    x = 2,011.23

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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.