Home / 5,451.96-8,181.06-2,331.60

Finding the Fourth Proportional to 5,451.96, 8,181.06 and 2,331.60

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Solution

The fourth proportional to 5,451.96, 8,181.06 and 2,331.60 is: 3,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.96 : 8,181.06 = 2,331.60 : x
  2. Step 2: Convert to fraction form
    5,451.96/8,181.06 = 2,331.60/x
  3. Step 3: Cross multiply
    5,451.96x = 8,181.06 × 2,331.60
  4. Step 4: Simplify right side
    5,451.96x = 19,074,959.50
  5. Step 5: Solve for x
    x = 19,074,959.50/5,451.96
  6. Step 6: Final answer
    x = 3,498.73

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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.