Home / 7,429.86-11,142.90-2,234.52

Finding the Fourth Proportional to 7,429.86, 11,142.90 and 2,234.52

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Solution

The fourth proportional to 7,429.86, 11,142.90 and 2,234.52 is: 3,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.86 : 11,142.90 = 2,234.52 : x
  2. Step 2: Convert to fraction form
    7,429.86/11,142.90 = 2,234.52/x
  3. Step 3: Cross multiply
    7,429.86x = 11,142.90 × 2,234.52
  4. Step 4: Simplify right side
    7,429.86x = 24,899,032.91
  5. Step 5: Solve for x
    x = 24,899,032.91/7,429.86
  6. Step 6: Final answer
    x = 3,351.21

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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.