Home / 4,216.29-6,315.97-2,101.54

Finding the Fourth Proportional to 4,216.29, 6,315.97 and 2,101.54

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Solution

The fourth proportional to 4,216.29, 6,315.97 and 2,101.54 is: 3,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.29 : 6,315.97 = 2,101.54 : x
  2. Step 2: Convert to fraction form
    4,216.29/6,315.97 = 2,101.54/x
  3. Step 3: Cross multiply
    4,216.29x = 6,315.97 × 2,101.54
  4. Step 4: Simplify right side
    4,216.29x = 13,273,263.59
  5. Step 5: Solve for x
    x = 13,273,263.59/4,216.29
  6. Step 6: Final answer
    x = 3,148.09

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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.