Home / 4,543.96-6,812.22-1,620.60

Finding the Fourth Proportional to 4,543.96, 6,812.22 and 1,620.60

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Solution

The fourth proportional to 4,543.96, 6,812.22 and 1,620.60 is: 2,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.96 : 6,812.22 = 1,620.60 : x
  2. Step 2: Convert to fraction form
    4,543.96/6,812.22 = 1,620.60/x
  3. Step 3: Cross multiply
    4,543.96x = 6,812.22 × 1,620.60
  4. Step 4: Simplify right side
    4,543.96x = 11,039,883.73
  5. Step 5: Solve for x
    x = 11,039,883.73/4,543.96
  6. Step 6: Final answer
    x = 2,429.57

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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.