Home / 5,372.33-8,021.73-4,813.43

Finding the Fourth Proportional to 5,372.33, 8,021.73 and 4,813.43

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Solution

The fourth proportional to 5,372.33, 8,021.73 and 4,813.43 is: 7,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.33 : 8,021.73 = 4,813.43 : x
  2. Step 2: Convert to fraction form
    5,372.33/8,021.73 = 4,813.43/x
  3. Step 3: Cross multiply
    5,372.33x = 8,021.73 × 4,813.43
  4. Step 4: Simplify right side
    5,372.33x = 38,612,064.91
  5. Step 5: Solve for x
    x = 38,612,064.91/5,372.33
  6. Step 6: Final answer
    x = 7,187.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.