Home / 5,695.38-7,857.36-3,456.42

Finding the Fourth Proportional to 5,695.38, 7,857.36 and 3,456.42

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Solution

The fourth proportional to 5,695.38, 7,857.36 and 3,456.42 is: 4,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.38 : 7,857.36 = 3,456.42 : x
  2. Step 2: Convert to fraction form
    5,695.38/7,857.36 = 3,456.42/x
  3. Step 3: Cross multiply
    5,695.38x = 7,857.36 × 3,456.42
  4. Step 4: Simplify right side
    5,695.38x = 27,158,336.25
  5. Step 5: Solve for x
    x = 27,158,336.25/5,695.38
  6. Step 6: Final answer
    x = 4,768.49

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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.