Home / 5,268.28-7,902.88-1,372.68

Finding the Fourth Proportional to 5,268.28, 7,902.88 and 1,372.68

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Solution

The fourth proportional to 5,268.28, 7,902.88 and 1,372.68 is: 2,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.28 : 7,902.88 = 1,372.68 : x
  2. Step 2: Convert to fraction form
    5,268.28/7,902.88 = 1,372.68/x
  3. Step 3: Cross multiply
    5,268.28x = 7,902.88 × 1,372.68
  4. Step 4: Simplify right side
    5,268.28x = 10,848,125.32
  5. Step 5: Solve for x
    x = 10,848,125.32/5,268.28
  6. Step 6: Final answer
    x = 2,059.14

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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.