Home / 5,414.04-8,119.67-2,127.15

Finding the Fourth Proportional to 5,414.04, 8,119.67 and 2,127.15

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Solution

The fourth proportional to 5,414.04, 8,119.67 and 2,127.15 is: 3,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.04 : 8,119.67 = 2,127.15 : x
  2. Step 2: Convert to fraction form
    5,414.04/8,119.67 = 2,127.15/x
  3. Step 3: Cross multiply
    5,414.04x = 8,119.67 × 2,127.15
  4. Step 4: Simplify right side
    5,414.04x = 17,271,745.40
  5. Step 5: Solve for x
    x = 17,271,745.40/5,414.04
  6. Step 6: Final answer
    x = 3,190.18

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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.