Home / 5,149.23-7,723.96-1,451.43

Finding the Fourth Proportional to 5,149.23, 7,723.96 and 1,451.43

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Solution

The fourth proportional to 5,149.23, 7,723.96 and 1,451.43 is: 2,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.23 : 7,723.96 = 1,451.43 : x
  2. Step 2: Convert to fraction form
    5,149.23/7,723.96 = 1,451.43/x
  3. Step 3: Cross multiply
    5,149.23x = 7,723.96 × 1,451.43
  4. Step 4: Simplify right side
    5,149.23x = 11,210,787.26
  5. Step 5: Solve for x
    x = 11,210,787.26/5,149.23
  6. Step 6: Final answer
    x = 2,177.18

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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.