Home / 4,236.86-6,351.51-2,155.70

Finding the Fourth Proportional to 4,236.86, 6,351.51 and 2,155.70

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Solution

The fourth proportional to 4,236.86, 6,351.51 and 2,155.70 is: 3,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.86 : 6,351.51 = 2,155.70 : x
  2. Step 2: Convert to fraction form
    4,236.86/6,351.51 = 2,155.70/x
  3. Step 3: Cross multiply
    4,236.86x = 6,351.51 × 2,155.70
  4. Step 4: Simplify right side
    4,236.86x = 13,691,950.11
  5. Step 5: Solve for x
    x = 13,691,950.11/4,236.86
  6. Step 6: Final answer
    x = 3,231.63

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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.