Home / 5,513.06-8,272.83-2,181.63

Finding the Fourth Proportional to 5,513.06, 8,272.83 and 2,181.63

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Solution

The fourth proportional to 5,513.06, 8,272.83 and 2,181.63 is: 3,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.06 : 8,272.83 = 2,181.63 : x
  2. Step 2: Convert to fraction form
    5,513.06/8,272.83 = 2,181.63/x
  3. Step 3: Cross multiply
    5,513.06x = 8,272.83 × 2,181.63
  4. Step 4: Simplify right side
    5,513.06x = 18,048,254.11
  5. Step 5: Solve for x
    x = 18,048,254.11/5,513.06
  6. Step 6: Final answer
    x = 3,273.73

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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.