Home / 5,385.33-8,072.24-2,608.19

Finding the Fourth Proportional to 5,385.33, 8,072.24 and 2,608.19

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Solution

The fourth proportional to 5,385.33, 8,072.24 and 2,608.19 is: 3,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.33 : 8,072.24 = 2,608.19 : x
  2. Step 2: Convert to fraction form
    5,385.33/8,072.24 = 2,608.19/x
  3. Step 3: Cross multiply
    5,385.33x = 8,072.24 × 2,608.19
  4. Step 4: Simplify right side
    5,385.33x = 21,053,882.24
  5. Step 5: Solve for x
    x = 21,053,882.24/5,385.33
  6. Step 6: Final answer
    x = 3,909.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.