Home / 5,414.93-8,119.14-2,124.10

Finding the Fourth Proportional to 5,414.93, 8,119.14 and 2,124.10

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Solution

The fourth proportional to 5,414.93, 8,119.14 and 2,124.10 is: 3,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.93 : 8,119.14 = 2,124.10 : x
  2. Step 2: Convert to fraction form
    5,414.93/8,119.14 = 2,124.10/x
  3. Step 3: Cross multiply
    5,414.93x = 8,119.14 × 2,124.10
  4. Step 4: Simplify right side
    5,414.93x = 17,245,865.27
  5. Step 5: Solve for x
    x = 17,245,865.27/5,414.93
  6. Step 6: Final answer
    x = 3,184.87

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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.