Home / 4,773.77-7,161.78-1,998.89

Finding the Fourth Proportional to 4,773.77, 7,161.78 and 1,998.89

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Solution

The fourth proportional to 4,773.77, 7,161.78 and 1,998.89 is: 2,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.77 : 7,161.78 = 1,998.89 : x
  2. Step 2: Convert to fraction form
    4,773.77/7,161.78 = 1,998.89/x
  3. Step 3: Cross multiply
    4,773.77x = 7,161.78 × 1,998.89
  4. Step 4: Simplify right side
    4,773.77x = 14,315,610.42
  5. Step 5: Solve for x
    x = 14,315,610.42/4,773.77
  6. Step 6: Final answer
    x = 2,998.81

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1.5x scale

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.