Home / 7,834.86-11,755.37-3,449.24

Finding the Fourth Proportional to 7,834.86, 11,755.37 and 3,449.24

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Solution

The fourth proportional to 7,834.86, 11,755.37 and 3,449.24 is: 5,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.86 : 11,755.37 = 3,449.24 : x
  2. Step 2: Convert to fraction form
    7,834.86/11,755.37 = 3,449.24/x
  3. Step 3: Cross multiply
    7,834.86x = 11,755.37 × 3,449.24
  4. Step 4: Simplify right side
    7,834.86x = 40,547,092.42
  5. Step 5: Solve for x
    x = 40,547,092.42/7,834.86
  6. Step 6: Final answer
    x = 5,175.22

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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.