Home / 4,155.86-6,234.94-1,815.44

Finding the Fourth Proportional to 4,155.86, 6,234.94 and 1,815.44

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Solution

The fourth proportional to 4,155.86, 6,234.94 and 1,815.44 is: 2,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.86 : 6,234.94 = 1,815.44 : x
  2. Step 2: Convert to fraction form
    4,155.86/6,234.94 = 1,815.44/x
  3. Step 3: Cross multiply
    4,155.86x = 6,234.94 × 1,815.44
  4. Step 4: Simplify right side
    4,155.86x = 11,319,159.47
  5. Step 5: Solve for x
    x = 11,319,159.47/4,155.86
  6. Step 6: Final answer
    x = 2,723.66

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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.