Home / 7,952.27-11,928.68-2,109.47

Finding the Fourth Proportional to 7,952.27, 11,928.68 and 2,109.47

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Solution

The fourth proportional to 7,952.27, 11,928.68 and 2,109.47 is: 3,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.27 : 11,928.68 = 2,109.47 : x
  2. Step 2: Convert to fraction form
    7,952.27/11,928.68 = 2,109.47/x
  3. Step 3: Cross multiply
    7,952.27x = 11,928.68 × 2,109.47
  4. Step 4: Simplify right side
    7,952.27x = 25,163,192.60
  5. Step 5: Solve for x
    x = 25,163,192.60/7,952.27
  6. Step 6: Final answer
    x = 3,164.28

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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.