Home / 4,212.86-6,318.10-1,251.94

Finding the Fourth Proportional to 4,212.86, 6,318.10 and 1,251.94

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Solution

The fourth proportional to 4,212.86, 6,318.10 and 1,251.94 is: 1,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.86 : 6,318.10 = 1,251.94 : x
  2. Step 2: Convert to fraction form
    4,212.86/6,318.10 = 1,251.94/x
  3. Step 3: Cross multiply
    4,212.86x = 6,318.10 × 1,251.94
  4. Step 4: Simplify right side
    4,212.86x = 7,909,882.11
  5. Step 5: Solve for x
    x = 7,909,882.11/4,212.86
  6. Step 6: Final answer
    x = 1,877.56

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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.