Home / 7,555.43-10,427.15-4,198.19

Finding the Fourth Proportional to 7,555.43, 10,427.15 and 4,198.19

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Solution

The fourth proportional to 7,555.43, 10,427.15 and 4,198.19 is: 5,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.43 : 10,427.15 = 4,198.19 : x
  2. Step 2: Convert to fraction form
    7,555.43/10,427.15 = 4,198.19/x
  3. Step 3: Cross multiply
    7,555.43x = 10,427.15 × 4,198.19
  4. Step 4: Simplify right side
    7,555.43x = 43,775,083.73
  5. Step 5: Solve for x
    x = 43,775,083.73/7,555.43
  6. Step 6: Final answer
    x = 5,793.86

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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.