Home / 8,902.26-13,353.36-3,639.75

Finding the Fourth Proportional to 8,902.26, 13,353.36 and 3,639.75

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Solution

The fourth proportional to 8,902.26, 13,353.36 and 3,639.75 is: 5,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.26 : 13,353.36 = 3,639.75 : x
  2. Step 2: Convert to fraction form
    8,902.26/13,353.36 = 3,639.75/x
  3. Step 3: Cross multiply
    8,902.26x = 13,353.36 × 3,639.75
  4. Step 4: Simplify right side
    8,902.26x = 48,602,892.06
  5. Step 5: Solve for x
    x = 48,602,892.06/8,902.26
  6. Step 6: Final answer
    x = 5,459.61

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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.