Home / 5,445.95-8,169.38-1,936.73

Finding the Fourth Proportional to 5,445.95, 8,169.38 and 1,936.73

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Solution

The fourth proportional to 5,445.95, 8,169.38 and 1,936.73 is: 2,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.95 : 8,169.38 = 1,936.73 : x
  2. Step 2: Convert to fraction form
    5,445.95/8,169.38 = 1,936.73/x
  3. Step 3: Cross multiply
    5,445.95x = 8,169.38 × 1,936.73
  4. Step 4: Simplify right side
    5,445.95x = 15,821,832.80
  5. Step 5: Solve for x
    x = 15,821,832.80/5,445.95
  6. Step 6: Final answer
    x = 2,905.25

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1.5x scale

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.