Home / 8,845.38-13,268.28-2,920.38

Finding the Fourth Proportional to 8,845.38, 13,268.28 and 2,920.38

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Solution

The fourth proportional to 8,845.38, 13,268.28 and 2,920.38 is: 4,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.38 : 13,268.28 = 2,920.38 : x
  2. Step 2: Convert to fraction form
    8,845.38/13,268.28 = 2,920.38/x
  3. Step 3: Cross multiply
    8,845.38x = 13,268.28 × 2,920.38
  4. Step 4: Simplify right side
    8,845.38x = 38,748,419.55
  5. Step 5: Solve for x
    x = 38,748,419.55/8,845.38
  6. Step 6: Final answer
    x = 4,380.64

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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.