Home / 8,856.11-13,285.99-3,308.12

Finding the Fourth Proportional to 8,856.11, 13,285.99 and 3,308.12

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Solution

The fourth proportional to 8,856.11, 13,285.99 and 3,308.12 is: 4,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.11 : 13,285.99 = 3,308.12 : x
  2. Step 2: Convert to fraction form
    8,856.11/13,285.99 = 3,308.12/x
  3. Step 3: Cross multiply
    8,856.11x = 13,285.99 × 3,308.12
  4. Step 4: Simplify right side
    8,856.11x = 43,951,649.24
  5. Step 5: Solve for x
    x = 43,951,649.24/8,856.11
  6. Step 6: Final answer
    x = 4,962.86

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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.