Home / 5,085.84-7,629.92-1,965.87

Finding the Fourth Proportional to 5,085.84, 7,629.92 and 1,965.87

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Solution

The fourth proportional to 5,085.84, 7,629.92 and 1,965.87 is: 2,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.84 : 7,629.92 = 1,965.87 : x
  2. Step 2: Convert to fraction form
    5,085.84/7,629.92 = 1,965.87/x
  3. Step 3: Cross multiply
    5,085.84x = 7,629.92 × 1,965.87
  4. Step 4: Simplify right side
    5,085.84x = 14,999,433.90
  5. Step 5: Solve for x
    x = 14,999,433.90/5,085.84
  6. Step 6: Final answer
    x = 2,949.26

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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.