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Finding the Fourth Proportional to 4,968.39, 7,452.83 and 2,775.45

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Solution

The fourth proportional to 4,968.39, 7,452.83 and 2,775.45 is: 4,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.39 : 7,452.83 = 2,775.45 : x
  2. Step 2: Convert to fraction form
    4,968.39/7,452.83 = 2,775.45/x
  3. Step 3: Cross multiply
    4,968.39x = 7,452.83 × 2,775.45
  4. Step 4: Simplify right side
    4,968.39x = 20,684,957.02
  5. Step 5: Solve for x
    x = 20,684,957.02/4,968.39
  6. Step 6: Final answer
    x = 4,163.31

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1.5x scale

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.