Home / 5,414.48-8,119.40-2,127.04

Finding the Fourth Proportional to 5,414.48, 8,119.40 and 2,127.04

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Solution

The fourth proportional to 5,414.48, 8,119.40 and 2,127.04 is: 3,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.48 : 8,119.40 = 2,127.04 : x
  2. Step 2: Convert to fraction form
    5,414.48/8,119.40 = 2,127.04/x
  3. Step 3: Cross multiply
    5,414.48x = 8,119.40 × 2,127.04
  4. Step 4: Simplify right side
    5,414.48x = 17,270,288.58
  5. Step 5: Solve for x
    x = 17,270,288.58/5,414.48
  6. Step 6: Final answer
    x = 3,189.65

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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.