Home / 8,101.48-12,153.44-2,906.12

Finding the Fourth Proportional to 8,101.48, 12,153.44 and 2,906.12

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Solution

The fourth proportional to 8,101.48, 12,153.44 and 2,906.12 is: 4,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.48 : 12,153.44 = 2,906.12 : x
  2. Step 2: Convert to fraction form
    8,101.48/12,153.44 = 2,906.12/x
  3. Step 3: Cross multiply
    8,101.48x = 12,153.44 × 2,906.12
  4. Step 4: Simplify right side
    8,101.48x = 35,319,355.05
  5. Step 5: Solve for x
    x = 35,319,355.05/8,101.48
  6. Step 6: Final answer
    x = 4,359.62

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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.