Home / 4,216.89-6,328.98-2,757.81

Finding the Fourth Proportional to 4,216.89, 6,328.98 and 2,757.81

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Solution

The fourth proportional to 4,216.89, 6,328.98 and 2,757.81 is: 4,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.89 : 6,328.98 = 2,757.81 : x
  2. Step 2: Convert to fraction form
    4,216.89/6,328.98 = 2,757.81/x
  3. Step 3: Cross multiply
    4,216.89x = 6,328.98 × 2,757.81
  4. Step 4: Simplify right side
    4,216.89x = 17,454,124.33
  5. Step 5: Solve for x
    x = 17,454,124.33/4,216.89
  6. Step 6: Final answer
    x = 4,139.10

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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.