Home / 5,372.92-7,409.82-4,239.28

Finding the Fourth Proportional to 5,372.92, 7,409.82 and 4,239.28

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Solution

The fourth proportional to 5,372.92, 7,409.82 and 4,239.28 is: 5,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.92 : 7,409.82 = 4,239.28 : x
  2. Step 2: Convert to fraction form
    5,372.92/7,409.82 = 4,239.28/x
  3. Step 3: Cross multiply
    5,372.92x = 7,409.82 × 4,239.28
  4. Step 4: Simplify right side
    5,372.92x = 31,412,301.73
  5. Step 5: Solve for x
    x = 31,412,301.73/5,372.92
  6. Step 6: Final answer
    x = 5,846.41

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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.