Home / 6,979.26-9,631.41-3,835.65

Finding the Fourth Proportional to 6,979.26, 9,631.41 and 3,835.65

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Solution

The fourth proportional to 6,979.26, 9,631.41 and 3,835.65 is: 5,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.26 : 9,631.41 = 3,835.65 : x
  2. Step 2: Convert to fraction form
    6,979.26/9,631.41 = 3,835.65/x
  3. Step 3: Cross multiply
    6,979.26x = 9,631.41 × 3,835.65
  4. Step 4: Simplify right side
    6,979.26x = 36,942,717.77
  5. Step 5: Solve for x
    x = 36,942,717.77/6,979.26
  6. Step 6: Final answer
    x = 5,293.21

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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.