Home / 4,968.70-7,453.02-3,121.10

Finding the Fourth Proportional to 4,968.70, 7,453.02 and 3,121.10

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Solution

The fourth proportional to 4,968.70, 7,453.02 and 3,121.10 is: 4,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.70 : 7,453.02 = 3,121.10 : x
  2. Step 2: Convert to fraction form
    4,968.70/7,453.02 = 3,121.10/x
  3. Step 3: Cross multiply
    4,968.70x = 7,453.02 × 3,121.10
  4. Step 4: Simplify right side
    4,968.70x = 23,261,620.72
  5. Step 5: Solve for x
    x = 23,261,620.72/4,968.70
  6. Step 6: Final answer
    x = 4,681.63

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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.