Home / 5,299.44-7,949.16-2,181.12

Finding the Fourth Proportional to 5,299.44, 7,949.16 and 2,181.12

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Solution

The fourth proportional to 5,299.44, 7,949.16 and 2,181.12 is: 3,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.44 : 7,949.16 = 2,181.12 : x
  2. Step 2: Convert to fraction form
    5,299.44/7,949.16 = 2,181.12/x
  3. Step 3: Cross multiply
    5,299.44x = 7,949.16 × 2,181.12
  4. Step 4: Simplify right side
    5,299.44x = 17,338,071.86
  5. Step 5: Solve for x
    x = 17,338,071.86/5,299.44
  6. Step 6: Final answer
    x = 3,271.68

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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.