Home / 8,150.40-12,221.73-2,602.44

Finding the Fourth Proportional to 8,150.40, 12,221.73 and 2,602.44

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Solution

The fourth proportional to 8,150.40, 12,221.73 and 2,602.44 is: 3,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.40 : 12,221.73 = 2,602.44 : x
  2. Step 2: Convert to fraction form
    8,150.40/12,221.73 = 2,602.44/x
  3. Step 3: Cross multiply
    8,150.40x = 12,221.73 × 2,602.44
  4. Step 4: Simplify right side
    8,150.40x = 31,806,319.02
  5. Step 5: Solve for x
    x = 31,806,319.02/8,150.40
  6. Step 6: Final answer
    x = 3,902.42

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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.