Home / 7,979.82-11,012.16-4,443.03

Finding the Fourth Proportional to 7,979.82, 11,012.16 and 4,443.03

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Solution

The fourth proportional to 7,979.82, 11,012.16 and 4,443.03 is: 6,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.82 : 11,012.16 = 4,443.03 : x
  2. Step 2: Convert to fraction form
    7,979.82/11,012.16 = 4,443.03/x
  3. Step 3: Cross multiply
    7,979.82x = 11,012.16 × 4,443.03
  4. Step 4: Simplify right side
    7,979.82x = 48,927,357.24
  5. Step 5: Solve for x
    x = 48,927,357.24/7,979.82
  6. Step 6: Final answer
    x = 6,131.39

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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.