Home / 5,204.38-7,806.58-2,126.38

Finding the Fourth Proportional to 5,204.38, 7,806.58 and 2,126.38

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Solution

The fourth proportional to 5,204.38, 7,806.58 and 2,126.38 is: 3,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.38 : 7,806.58 = 2,126.38 : x
  2. Step 2: Convert to fraction form
    5,204.38/7,806.58 = 2,126.38/x
  3. Step 3: Cross multiply
    5,204.38x = 7,806.58 × 2,126.38
  4. Step 4: Simplify right side
    5,204.38x = 16,599,755.58
  5. Step 5: Solve for x
    x = 16,599,755.58/5,204.38
  6. Step 6: Final answer
    x = 3,189.57

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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.