Home / 8,193.45-12,287.04-2,645.95

Finding the Fourth Proportional to 8,193.45, 12,287.04 and 2,645.95

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Solution

The fourth proportional to 8,193.45, 12,287.04 and 2,645.95 is: 3,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.45 : 12,287.04 = 2,645.95 : x
  2. Step 2: Convert to fraction form
    8,193.45/12,287.04 = 2,645.95/x
  3. Step 3: Cross multiply
    8,193.45x = 12,287.04 × 2,645.95
  4. Step 4: Simplify right side
    8,193.45x = 32,510,893.49
  5. Step 5: Solve for x
    x = 32,510,893.49/8,193.45
  6. Step 6: Final answer
    x = 3,967.91

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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.