Home / 4,209.31-6,312.92-1,744.81

Finding the Fourth Proportional to 4,209.31, 6,312.92 and 1,744.81

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Solution

The fourth proportional to 4,209.31, 6,312.92 and 1,744.81 is: 2,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.31 : 6,312.92 = 1,744.81 : x
  2. Step 2: Convert to fraction form
    4,209.31/6,312.92 = 1,744.81/x
  3. Step 3: Cross multiply
    4,209.31x = 6,312.92 × 1,744.81
  4. Step 4: Simplify right side
    4,209.31x = 11,014,837.22
  5. Step 5: Solve for x
    x = 11,014,837.22/4,209.31
  6. Step 6: Final answer
    x = 2,616.78

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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.