Home / 5,399.15-7,450.44-3,160.88

Finding the Fourth Proportional to 5,399.15, 7,450.44 and 3,160.88

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Solution

The fourth proportional to 5,399.15, 7,450.44 and 3,160.88 is: 4,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.15 : 7,450.44 = 3,160.88 : x
  2. Step 2: Convert to fraction form
    5,399.15/7,450.44 = 3,160.88/x
  3. Step 3: Cross multiply
    5,399.15x = 7,450.44 × 3,160.88
  4. Step 4: Simplify right side
    5,399.15x = 23,549,946.79
  5. Step 5: Solve for x
    x = 23,549,946.79/5,399.15
  6. Step 6: Final answer
    x = 4,361.79

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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.