Home / 5,149.73-7,724.59-1,862.05

Finding the Fourth Proportional to 5,149.73, 7,724.59 and 1,862.05

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Solution

The fourth proportional to 5,149.73, 7,724.59 and 1,862.05 is: 2,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.73 : 7,724.59 = 1,862.05 : x
  2. Step 2: Convert to fraction form
    5,149.73/7,724.59 = 1,862.05/x
  3. Step 3: Cross multiply
    5,149.73x = 7,724.59 × 1,862.05
  4. Step 4: Simplify right side
    5,149.73x = 14,383,567.21
  5. Step 5: Solve for x
    x = 14,383,567.21/5,149.73
  6. Step 6: Final answer
    x = 2,793.07

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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.