Home / 5,797.20-7,999.40-3,438.88

Finding the Fourth Proportional to 5,797.20, 7,999.40 and 3,438.88

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Solution

The fourth proportional to 5,797.20, 7,999.40 and 3,438.88 is: 4,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797.20 : 7,999.40 = 3,438.88 : x
  2. Step 2: Convert to fraction form
    5,797.20/7,999.40 = 3,438.88/x
  3. Step 3: Cross multiply
    5,797.20x = 7,999.40 × 3,438.88
  4. Step 4: Simplify right side
    5,797.20x = 27,508,976.67
  5. Step 5: Solve for x
    x = 27,508,976.67/5,797.20
  6. Step 6: Final answer
    x = 4,745.22

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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.