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Finding the Fourth Proportional to 5,454.72, 8,182.08 and 1,995.84

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Solution

The fourth proportional to 5,454.72, 8,182.08 and 1,995.84 is: 2,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.72 : 8,182.08 = 1,995.84 : x
  2. Step 2: Convert to fraction form
    5,454.72/8,182.08 = 1,995.84/x
  3. Step 3: Cross multiply
    5,454.72x = 8,182.08 × 1,995.84
  4. Step 4: Simplify right side
    5,454.72x = 16,330,122.55
  5. Step 5: Solve for x
    x = 16,330,122.55/5,454.72
  6. Step 6: Final answer
    x = 2,993.76

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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.