Home / 7,923.12-11,884.80-2,375.28

Finding the Fourth Proportional to 7,923.12, 11,884.80 and 2,375.28

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Solution

The fourth proportional to 7,923.12, 11,884.80 and 2,375.28 is: 3,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.12 : 11,884.80 = 2,375.28 : x
  2. Step 2: Convert to fraction form
    7,923.12/11,884.80 = 2,375.28/x
  3. Step 3: Cross multiply
    7,923.12x = 11,884.80 × 2,375.28
  4. Step 4: Simplify right side
    7,923.12x = 28,229,727.74
  5. Step 5: Solve for x
    x = 28,229,727.74/7,923.12
  6. Step 6: Final answer
    x = 3,562.96

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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.