Home / 6,979.26-9,631.38-3,995.04

Finding the Fourth Proportional to 6,979.26, 9,631.38 and 3,995.04

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Solution

The fourth proportional to 6,979.26, 9,631.38 and 3,995.04 is: 5,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.26 : 9,631.38 = 3,995.04 : x
  2. Step 2: Convert to fraction form
    6,979.26/9,631.38 = 3,995.04/x
  3. Step 3: Cross multiply
    6,979.26x = 9,631.38 × 3,995.04
  4. Step 4: Simplify right side
    6,979.26x = 38,477,748.36
  5. Step 5: Solve for x
    x = 38,477,748.36/6,979.26
  6. Step 6: Final answer
    x = 5,513.16

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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.