Home / 5,414.20-8,122.52-1,716.10

Finding the Fourth Proportional to 5,414.20, 8,122.52 and 1,716.10

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Solution

The fourth proportional to 5,414.20, 8,122.52 and 1,716.10 is: 2,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.20 : 8,122.52 = 1,716.10 : x
  2. Step 2: Convert to fraction form
    5,414.20/8,122.52 = 1,716.10/x
  3. Step 3: Cross multiply
    5,414.20x = 8,122.52 × 1,716.10
  4. Step 4: Simplify right side
    5,414.20x = 13,939,056.57
  5. Step 5: Solve for x
    x = 13,939,056.57/5,414.20
  6. Step 6: Final answer
    x = 2,574.54

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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.