Home / 4,127.85-6,187.23-2,721.69

Finding the Fourth Proportional to 4,127.85, 6,187.23 and 2,721.69

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Solution

The fourth proportional to 4,127.85, 6,187.23 and 2,721.69 is: 4,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.85 : 6,187.23 = 2,721.69 : x
  2. Step 2: Convert to fraction form
    4,127.85/6,187.23 = 2,721.69/x
  3. Step 3: Cross multiply
    4,127.85x = 6,187.23 × 2,721.69
  4. Step 4: Simplify right side
    4,127.85x = 16,839,722.02
  5. Step 5: Solve for x
    x = 16,839,722.02/4,127.85
  6. Step 6: Final answer
    x = 4,079.54

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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.