Home / 5,400.10-7,450.68-4,282.30

Finding the Fourth Proportional to 5,400.10, 7,450.68 and 4,282.30

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Solution

The fourth proportional to 5,400.10, 7,450.68 and 4,282.30 is: 5,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.10 : 7,450.68 = 4,282.30 : x
  2. Step 2: Convert to fraction form
    5,400.10/7,450.68 = 4,282.30/x
  3. Step 3: Cross multiply
    5,400.10x = 7,450.68 × 4,282.30
  4. Step 4: Simplify right side
    5,400.10x = 31,906,046.96
  5. Step 5: Solve for x
    x = 31,906,046.96/5,400.10
  6. Step 6: Final answer
    x = 5,908.42

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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.