Home / 7,979.91-11,012.07-4,443.04

Finding the Fourth Proportional to 7,979.91, 11,012.07 and 4,443.04

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Solution

The fourth proportional to 7,979.91, 11,012.07 and 4,443.04 is: 6,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.91 : 11,012.07 = 4,443.04 : x
  2. Step 2: Convert to fraction form
    7,979.91/11,012.07 = 4,443.04/x
  3. Step 3: Cross multiply
    7,979.91x = 11,012.07 × 4,443.04
  4. Step 4: Simplify right side
    7,979.91x = 48,927,067.49
  5. Step 5: Solve for x
    x = 48,927,067.49/7,979.91
  6. Step 6: Final answer
    x = 6,131.28

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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.