Home / 5,456.93-8,185.99-1,947.75

Finding the Fourth Proportional to 5,456.93, 8,185.99 and 1,947.75

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Solution

The fourth proportional to 5,456.93, 8,185.99 and 1,947.75 is: 2,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.93 : 8,185.99 = 1,947.75 : x
  2. Step 2: Convert to fraction form
    5,456.93/8,185.99 = 1,947.75/x
  3. Step 3: Cross multiply
    5,456.93x = 8,185.99 × 1,947.75
  4. Step 4: Simplify right side
    5,456.93x = 15,944,262.02
  5. Step 5: Solve for x
    x = 15,944,262.02/5,456.93
  6. Step 6: Final answer
    x = 2,921.84

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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.