Home / 5,414.49-8,123.13-2,127.24

Finding the Fourth Proportional to 5,414.49, 8,123.13 and 2,127.24

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Solution

The fourth proportional to 5,414.49, 8,123.13 and 2,127.24 is: 3,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.49 : 8,123.13 = 2,127.24 : x
  2. Step 2: Convert to fraction form
    5,414.49/8,123.13 = 2,127.24/x
  3. Step 3: Cross multiply
    5,414.49x = 8,123.13 × 2,127.24
  4. Step 4: Simplify right side
    5,414.49x = 17,279,847.06
  5. Step 5: Solve for x
    x = 17,279,847.06/5,414.49
  6. Step 6: Final answer
    x = 3,191.41

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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.