Home / 6,979.31-9,632.27-3,995.58

Finding the Fourth Proportional to 6,979.31, 9,632.27 and 3,995.58

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Solution

The fourth proportional to 6,979.31, 9,632.27 and 3,995.58 is: 5,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.31 : 9,632.27 = 3,995.58 : x
  2. Step 2: Convert to fraction form
    6,979.31/9,632.27 = 3,995.58/x
  3. Step 3: Cross multiply
    6,979.31x = 9,632.27 × 3,995.58
  4. Step 4: Simplify right side
    6,979.31x = 38,486,474.82
  5. Step 5: Solve for x
    x = 38,486,474.82/6,979.31
  6. Step 6: Final answer
    x = 5,514.36

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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.