Home / 4,201.86-6,306.68-2,123.32

Finding the Fourth Proportional to 4,201.86, 6,306.68 and 2,123.32

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Solution

The fourth proportional to 4,201.86, 6,306.68 and 2,123.32 is: 3,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.86 : 6,306.68 = 2,123.32 : x
  2. Step 2: Convert to fraction form
    4,201.86/6,306.68 = 2,123.32/x
  3. Step 3: Cross multiply
    4,201.86x = 6,306.68 × 2,123.32
  4. Step 4: Simplify right side
    4,201.86x = 13,391,099.78
  5. Step 5: Solve for x
    x = 13,391,099.78/4,201.86
  6. Step 6: Final answer
    x = 3,186.95

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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.