Home / 5,268.77-7,903.10-2,148.04

Finding the Fourth Proportional to 5,268.77, 7,903.10 and 2,148.04

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Solution

The fourth proportional to 5,268.77, 7,903.10 and 2,148.04 is: 3,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.77 : 7,903.10 = 2,148.04 : x
  2. Step 2: Convert to fraction form
    5,268.77/7,903.10 = 2,148.04/x
  3. Step 3: Cross multiply
    5,268.77x = 7,903.10 × 2,148.04
  4. Step 4: Simplify right side
    5,268.77x = 16,976,174.92
  5. Step 5: Solve for x
    x = 16,976,174.92/5,268.77
  6. Step 6: Final answer
    x = 3,222.04

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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.