Home / 4,773.90-7,161.94-1,999.20

Finding the Fourth Proportional to 4,773.90, 7,161.94 and 1,999.20

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Solution

The fourth proportional to 4,773.90, 7,161.94 and 1,999.20 is: 2,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.90 : 7,161.94 = 1,999.20 : x
  2. Step 2: Convert to fraction form
    4,773.90/7,161.94 = 1,999.20/x
  3. Step 3: Cross multiply
    4,773.90x = 7,161.94 × 1,999.20
  4. Step 4: Simplify right side
    4,773.90x = 14,318,150.45
  5. Step 5: Solve for x
    x = 14,318,150.45/4,773.90
  6. Step 6: Final answer
    x = 2,999.26

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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.