Home / 4,777.21-7,163.99-1,854.83

Finding the Fourth Proportional to 4,777.21, 7,163.99 and 1,854.83

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Solution

The fourth proportional to 4,777.21, 7,163.99 and 1,854.83 is: 2,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.21 : 7,163.99 = 1,854.83 : x
  2. Step 2: Convert to fraction form
    4,777.21/7,163.99 = 1,854.83/x
  3. Step 3: Cross multiply
    4,777.21x = 7,163.99 × 1,854.83
  4. Step 4: Simplify right side
    4,777.21x = 13,288,006.12
  5. Step 5: Solve for x
    x = 13,288,006.12/4,777.21
  6. Step 6: Final answer
    x = 2,781.54

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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.