Home / 5,518.02-8,276.76-1,414.02

Finding the Fourth Proportional to 5,518.02, 8,276.76 and 1,414.02

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Solution

The fourth proportional to 5,518.02, 8,276.76 and 1,414.02 is: 2,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.02 : 8,276.76 = 1,414.02 : x
  2. Step 2: Convert to fraction form
    5,518.02/8,276.76 = 1,414.02/x
  3. Step 3: Cross multiply
    5,518.02x = 8,276.76 × 1,414.02
  4. Step 4: Simplify right side
    5,518.02x = 11,703,504.18
  5. Step 5: Solve for x
    x = 11,703,504.18/5,518.02
  6. Step 6: Final answer
    x = 2,120.96

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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.