Home / 8,975.34-13,459.77-3,781.62

Finding the Fourth Proportional to 8,975.34, 13,459.77 and 3,781.62

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Solution

The fourth proportional to 8,975.34, 13,459.77 and 3,781.62 is: 5,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.34 : 13,459.77 = 3,781.62 : x
  2. Step 2: Convert to fraction form
    8,975.34/13,459.77 = 3,781.62/x
  3. Step 3: Cross multiply
    8,975.34x = 13,459.77 × 3,781.62
  4. Step 4: Simplify right side
    8,975.34x = 50,899,735.43
  5. Step 5: Solve for x
    x = 50,899,735.43/8,975.34
  6. Step 6: Final answer
    x = 5,671.06

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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.