Home / 5,399.40-7,450.92-3,630.72

Finding the Fourth Proportional to 5,399.40, 7,450.92 and 3,630.72

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Solution

The fourth proportional to 5,399.40, 7,450.92 and 3,630.72 is: 5,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.40 : 7,450.92 = 3,630.72 : x
  2. Step 2: Convert to fraction form
    5,399.40/7,450.92 = 3,630.72/x
  3. Step 3: Cross multiply
    5,399.40x = 7,450.92 × 3,630.72
  4. Step 4: Simplify right side
    5,399.40x = 27,052,204.26
  5. Step 5: Solve for x
    x = 27,052,204.26/5,399.40
  6. Step 6: Final answer
    x = 5,010.22

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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.