Home / 8,698.86-13,042.22-2,773.78

Finding the Fourth Proportional to 8,698.86, 13,042.22 and 2,773.78

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Solution

The fourth proportional to 8,698.86, 13,042.22 and 2,773.78 is: 4,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.86 : 13,042.22 = 2,773.78 : x
  2. Step 2: Convert to fraction form
    8,698.86/13,042.22 = 2,773.78/x
  3. Step 3: Cross multiply
    8,698.86x = 13,042.22 × 2,773.78
  4. Step 4: Simplify right side
    8,698.86x = 36,176,202.52
  5. Step 5: Solve for x
    x = 36,176,202.52/8,698.86
  6. Step 6: Final answer
    x = 4,158.73

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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.