Home / 8,265.72-12,398.52-3,883.14

Finding the Fourth Proportional to 8,265.72, 12,398.52 and 3,883.14

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Solution

The fourth proportional to 8,265.72, 12,398.52 and 3,883.14 is: 5,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.72 : 12,398.52 = 3,883.14 : x
  2. Step 2: Convert to fraction form
    8,265.72/12,398.52 = 3,883.14/x
  3. Step 3: Cross multiply
    8,265.72x = 12,398.52 × 3,883.14
  4. Step 4: Simplify right side
    8,265.72x = 48,145,188.95
  5. Step 5: Solve for x
    x = 48,145,188.95/8,265.72
  6. Step 6: Final answer
    x = 5,824.68

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1.5x scale

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.