Home / 5,396.49-7,450.38-3,902.85

Finding the Fourth Proportional to 5,396.49, 7,450.38 and 3,902.85

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Solution

The fourth proportional to 5,396.49, 7,450.38 and 3,902.85 is: 5,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.49 : 7,450.38 = 3,902.85 : x
  2. Step 2: Convert to fraction form
    5,396.49/7,450.38 = 3,902.85/x
  3. Step 3: Cross multiply
    5,396.49x = 7,450.38 × 3,902.85
  4. Step 4: Simplify right side
    5,396.49x = 29,077,715.58
  5. Step 5: Solve for x
    x = 29,077,715.58/5,396.49
  6. Step 6: Final answer
    x = 5,388.26

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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.