Home / 4,965.30-7,448.49-1,680.75

Finding the Fourth Proportional to 4,965.30, 7,448.49 and 1,680.75

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Solution

The fourth proportional to 4,965.30, 7,448.49 and 1,680.75 is: 2,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.30 : 7,448.49 = 1,680.75 : x
  2. Step 2: Convert to fraction form
    4,965.30/7,448.49 = 1,680.75/x
  3. Step 3: Cross multiply
    4,965.30x = 7,448.49 × 1,680.75
  4. Step 4: Simplify right side
    4,965.30x = 12,519,049.57
  5. Step 5: Solve for x
    x = 12,519,049.57/4,965.30
  6. Step 6: Final answer
    x = 2,521.31

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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.