Home / 4,968.47-7,450.13-1,680.38

Finding the Fourth Proportional to 4,968.47, 7,450.13 and 1,680.38

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Solution

The fourth proportional to 4,968.47, 7,450.13 and 1,680.38 is: 2,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.47 : 7,450.13 = 1,680.38 : x
  2. Step 2: Convert to fraction form
    4,968.47/7,450.13 = 1,680.38/x
  3. Step 3: Cross multiply
    4,968.47x = 7,450.13 × 1,680.38
  4. Step 4: Simplify right side
    4,968.47x = 12,519,003.80
  5. Step 5: Solve for x
    x = 12,519,003.80/4,968.47
  6. Step 6: Final answer
    x = 2,519.69

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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.