Home / 8,984.47-13,473.97-2,979.33

Finding the Fourth Proportional to 8,984.47, 13,473.97 and 2,979.33

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Solution

The fourth proportional to 8,984.47, 13,473.97 and 2,979.33 is: 4,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.47 : 13,473.97 = 2,979.33 : x
  2. Step 2: Convert to fraction form
    8,984.47/13,473.97 = 2,979.33/x
  3. Step 3: Cross multiply
    8,984.47x = 13,473.97 × 2,979.33
  4. Step 4: Simplify right side
    8,984.47x = 40,143,429.23
  5. Step 5: Solve for x
    x = 40,143,429.23/8,984.47
  6. Step 6: Final answer
    x = 4,468.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.