Home / 8,193.39-12,287.46-2,645.55

Finding the Fourth Proportional to 8,193.39, 12,287.46 and 2,645.55

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Solution

The fourth proportional to 8,193.39, 12,287.46 and 2,645.55 is: 3,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.39 : 12,287.46 = 2,645.55 : x
  2. Step 2: Convert to fraction form
    8,193.39/12,287.46 = 2,645.55/x
  3. Step 3: Cross multiply
    8,193.39x = 12,287.46 × 2,645.55
  4. Step 4: Simplify right side
    8,193.39x = 32,507,089.80
  5. Step 5: Solve for x
    x = 32,507,089.80/8,193.39
  6. Step 6: Final answer
    x = 3,967.48

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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.