Home / 7,979.44-11,011.64-4,443.32

Finding the Fourth Proportional to 7,979.44, 11,011.64 and 4,443.32

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Solution

The fourth proportional to 7,979.44, 11,011.64 and 4,443.32 is: 6,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.44 : 11,011.64 = 4,443.32 : x
  2. Step 2: Convert to fraction form
    7,979.44/11,011.64 = 4,443.32/x
  3. Step 3: Cross multiply
    7,979.44x = 11,011.64 × 4,443.32
  4. Step 4: Simplify right side
    7,979.44x = 48,928,240.24
  5. Step 5: Solve for x
    x = 48,928,240.24/7,979.44
  6. Step 6: Final answer
    x = 6,131.79

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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.