Home / 4,742.96-7,115.27-1,622.23

Finding the Fourth Proportional to 4,742.96, 7,115.27 and 1,622.23

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Solution

The fourth proportional to 4,742.96, 7,115.27 and 1,622.23 is: 2,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.96 : 7,115.27 = 1,622.23 : x
  2. Step 2: Convert to fraction form
    4,742.96/7,115.27 = 1,622.23/x
  3. Step 3: Cross multiply
    4,742.96x = 7,115.27 × 1,622.23
  4. Step 4: Simplify right side
    4,742.96x = 11,542,560.76
  5. Step 5: Solve for x
    x = 11,542,560.76/4,742.96
  6. Step 6: Final answer
    x = 2,433.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.