Home / 6,721.34-10,081.25-1,791.41

Finding the Fourth Proportional to 6,721.34, 10,081.25 and 1,791.41

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Solution

The fourth proportional to 6,721.34, 10,081.25 and 1,791.41 is: 2,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.34 : 10,081.25 = 1,791.41 : x
  2. Step 2: Convert to fraction form
    6,721.34/10,081.25 = 1,791.41/x
  3. Step 3: Cross multiply
    6,721.34x = 10,081.25 × 1,791.41
  4. Step 4: Simplify right side
    6,721.34x = 18,059,592.70
  5. Step 5: Solve for x
    x = 18,059,592.70/6,721.34
  6. Step 6: Final answer
    x = 2,686.91

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1.5x scale

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.