Home / 6,979.26-9,631.36-3,835.46

Finding the Fourth Proportional to 6,979.26, 9,631.36 and 3,835.46

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Solution

The fourth proportional to 6,979.26, 9,631.36 and 3,835.46 is: 5,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.26 : 9,631.36 = 3,835.46 : x
  2. Step 2: Convert to fraction form
    6,979.26/9,631.36 = 3,835.46/x
  3. Step 3: Cross multiply
    6,979.26x = 9,631.36 × 3,835.46
  4. Step 4: Simplify right side
    6,979.26x = 36,940,696.03
  5. Step 5: Solve for x
    x = 36,940,696.03/6,979.26
  6. Step 6: Final answer
    x = 5,292.92

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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.