Home / 7,379.31-10,183.45-4,067.31

Finding the Fourth Proportional to 7,379.31, 10,183.45 and 4,067.31

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Solution

The fourth proportional to 7,379.31, 10,183.45 and 4,067.31 is: 5,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.31 : 10,183.45 = 4,067.31 : x
  2. Step 2: Convert to fraction form
    7,379.31/10,183.45 = 4,067.31/x
  3. Step 3: Cross multiply
    7,379.31x = 10,183.45 × 4,067.31
  4. Step 4: Simplify right side
    7,379.31x = 41,419,248.02
  5. Step 5: Solve for x
    x = 41,419,248.02/7,379.31
  6. Step 6: Final answer
    x = 5,612.89

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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.