Home / 7,387.80-11,085.83-3,924.96

Finding the Fourth Proportional to 7,387.80, 11,085.83 and 3,924.96

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Solution

The fourth proportional to 7,387.80, 11,085.83 and 3,924.96 is: 5,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.80 : 11,085.83 = 3,924.96 : x
  2. Step 2: Convert to fraction form
    7,387.80/11,085.83 = 3,924.96/x
  3. Step 3: Cross multiply
    7,387.80x = 11,085.83 × 3,924.96
  4. Step 4: Simplify right side
    7,387.80x = 43,511,439.32
  5. Step 5: Solve for x
    x = 43,511,439.32/7,387.80
  6. Step 6: Final answer
    x = 5,889.63

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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.