Home / 4,249.86-6,374.38-1,129.94

Finding the Fourth Proportional to 4,249.86, 6,374.38 and 1,129.94

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Solution

The fourth proportional to 4,249.86, 6,374.38 and 1,129.94 is: 1,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.86 : 6,374.38 = 1,129.94 : x
  2. Step 2: Convert to fraction form
    4,249.86/6,374.38 = 1,129.94/x
  3. Step 3: Cross multiply
    4,249.86x = 6,374.38 × 1,129.94
  4. Step 4: Simplify right side
    4,249.86x = 7,202,666.94
  5. Step 5: Solve for x
    x = 7,202,666.94/4,249.86
  6. Step 6: Final answer
    x = 1,694.80

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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.