Home / 5,695.20-7,859.94-3,456.90

Finding the Fourth Proportional to 5,695.20, 7,859.94 and 3,456.90

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Solution

The fourth proportional to 5,695.20, 7,859.94 and 3,456.90 is: 4,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.20 : 7,859.94 = 3,456.90 : x
  2. Step 2: Convert to fraction form
    5,695.20/7,859.94 = 3,456.90/x
  3. Step 3: Cross multiply
    5,695.20x = 7,859.94 × 3,456.90
  4. Step 4: Simplify right side
    5,695.20x = 27,171,026.59
  5. Step 5: Solve for x
    x = 27,171,026.59/5,695.20
  6. Step 6: Final answer
    x = 4,770.86

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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.