Home / 5,391.70-7,438.82-3,266.56

Finding the Fourth Proportional to 5,391.70, 7,438.82 and 3,266.56

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Solution

The fourth proportional to 5,391.70, 7,438.82 and 3,266.56 is: 4,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.70 : 7,438.82 = 3,266.56 : x
  2. Step 2: Convert to fraction form
    5,391.70/7,438.82 = 3,266.56/x
  3. Step 3: Cross multiply
    5,391.70x = 7,438.82 × 3,266.56
  4. Step 4: Simplify right side
    5,391.70x = 24,299,351.86
  5. Step 5: Solve for x
    x = 24,299,351.86/5,391.70
  6. Step 6: Final answer
    x = 4,506.81

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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.