Home / 5,514.10-8,271.15-3,181.30

Finding the Fourth Proportional to 5,514.10, 8,271.15 and 3,181.30

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Solution

The fourth proportional to 5,514.10, 8,271.15 and 3,181.30 is: 4,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.10 : 8,271.15 = 3,181.30 : x
  2. Step 2: Convert to fraction form
    5,514.10/8,271.15 = 3,181.30/x
  3. Step 3: Cross multiply
    5,514.10x = 8,271.15 × 3,181.30
  4. Step 4: Simplify right side
    5,514.10x = 26,313,009.50
  5. Step 5: Solve for x
    x = 26,313,009.50/5,514.10
  6. Step 6: Final answer
    x = 4,771.95

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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.