Home / 5,454.98-8,181.66-1,992.23

Finding the Fourth Proportional to 5,454.98, 8,181.66 and 1,992.23

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Solution

The fourth proportional to 5,454.98, 8,181.66 and 1,992.23 is: 2,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.98 : 8,181.66 = 1,992.23 : x
  2. Step 2: Convert to fraction form
    5,454.98/8,181.66 = 1,992.23/x
  3. Step 3: Cross multiply
    5,454.98x = 8,181.66 × 1,992.23
  4. Step 4: Simplify right side
    5,454.98x = 16,299,748.50
  5. Step 5: Solve for x
    x = 16,299,748.50/5,454.98
  6. Step 6: Final answer
    x = 2,988.05

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Double scale
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Similar ratio
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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.