Home / 7,042.44-9,718.67-3,898.83

Finding the Fourth Proportional to 7,042.44, 9,718.67 and 3,898.83

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Solution

The fourth proportional to 7,042.44, 9,718.67 and 3,898.83 is: 5,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.44 : 9,718.67 = 3,898.83 : x
  2. Step 2: Convert to fraction form
    7,042.44/9,718.67 = 3,898.83/x
  3. Step 3: Cross multiply
    7,042.44x = 9,718.67 × 3,898.83
  4. Step 4: Simplify right side
    7,042.44x = 37,891,422.66
  5. Step 5: Solve for x
    x = 37,891,422.66/7,042.44
  6. Step 6: Final answer
    x = 5,380.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.