Home / 5,897.75-8,139.23-3,380.16

Finding the Fourth Proportional to 5,897.75, 8,139.23 and 3,380.16

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Solution

The fourth proportional to 5,897.75, 8,139.23 and 3,380.16 is: 4,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.75 : 8,139.23 = 3,380.16 : x
  2. Step 2: Convert to fraction form
    5,897.75/8,139.23 = 3,380.16/x
  3. Step 3: Cross multiply
    5,897.75x = 8,139.23 × 3,380.16
  4. Step 4: Simplify right side
    5,897.75x = 27,511,882.78
  5. Step 5: Solve for x
    x = 27,511,882.78/5,897.75
  6. Step 6: Final answer
    x = 4,664.81

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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.