Home / 5,137.62-7,082.55-3,456.06

Finding the Fourth Proportional to 5,137.62, 7,082.55 and 3,456.06

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Solution

The fourth proportional to 5,137.62, 7,082.55 and 3,456.06 is: 4,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.62 : 7,082.55 = 3,456.06 : x
  2. Step 2: Convert to fraction form
    5,137.62/7,082.55 = 3,456.06/x
  3. Step 3: Cross multiply
    5,137.62x = 7,082.55 × 3,456.06
  4. Step 4: Simplify right side
    5,137.62x = 24,477,717.75
  5. Step 5: Solve for x
    x = 24,477,717.75/5,137.62
  6. Step 6: Final answer
    x = 4,764.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.