Home / 8,321.24-12,481.88-4,856.06

Finding the Fourth Proportional to 8,321.24, 12,481.88 and 4,856.06

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Solution

The fourth proportional to 8,321.24, 12,481.88 and 4,856.06 is: 7,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.24 : 12,481.88 = 4,856.06 : x
  2. Step 2: Convert to fraction form
    8,321.24/12,481.88 = 4,856.06/x
  3. Step 3: Cross multiply
    8,321.24x = 12,481.88 × 4,856.06
  4. Step 4: Simplify right side
    8,321.24x = 60,612,765.12
  5. Step 5: Solve for x
    x = 60,612,765.12/8,321.24
  6. Step 6: Final answer
    x = 7,284.10

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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.