Home / 5,414.48-8,116.92-2,639.60

Finding the Fourth Proportional to 5,414.48, 8,116.92 and 2,639.60

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Solution

The fourth proportional to 5,414.48, 8,116.92 and 2,639.60 is: 3,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.48 : 8,116.92 = 2,639.60 : x
  2. Step 2: Convert to fraction form
    5,414.48/8,116.92 = 2,639.60/x
  3. Step 3: Cross multiply
    5,414.48x = 8,116.92 × 2,639.60
  4. Step 4: Simplify right side
    5,414.48x = 21,425,422.03
  5. Step 5: Solve for x
    x = 21,425,422.03/5,414.48
  6. Step 6: Final answer
    x = 3,957.06

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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.