Home / 5,414.40-8,116.02-2,122.98

Finding the Fourth Proportional to 5,414.40, 8,116.02 and 2,122.98

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Solution

The fourth proportional to 5,414.40, 8,116.02 and 2,122.98 is: 3,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.40 : 8,116.02 = 2,122.98 : x
  2. Step 2: Convert to fraction form
    5,414.40/8,116.02 = 2,122.98/x
  3. Step 3: Cross multiply
    5,414.40x = 8,116.02 × 2,122.98
  4. Step 4: Simplify right side
    5,414.40x = 17,230,148.14
  5. Step 5: Solve for x
    x = 17,230,148.14/5,414.40
  6. Step 6: Final answer
    x = 3,182.28

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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.