Home / 5,412.54-8,123.42-2,127.93

Finding the Fourth Proportional to 5,412.54, 8,123.42 and 2,127.93

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Solution

The fourth proportional to 5,412.54, 8,123.42 and 2,127.93 is: 3,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.54 : 8,123.42 = 2,127.93 : x
  2. Step 2: Convert to fraction form
    5,412.54/8,123.42 = 2,127.93/x
  3. Step 3: Cross multiply
    5,412.54x = 8,123.42 × 2,127.93
  4. Step 4: Simplify right side
    5,412.54x = 17,286,058.48
  5. Step 5: Solve for x
    x = 17,286,058.48/5,412.54
  6. Step 6: Final answer
    x = 3,193.71

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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.