Home / 8,168.28-12,254.58-3,788.88

Finding the Fourth Proportional to 8,168.28, 12,254.58 and 3,788.88

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Solution

The fourth proportional to 8,168.28, 12,254.58 and 3,788.88 is: 5,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.28 : 12,254.58 = 3,788.88 : x
  2. Step 2: Convert to fraction form
    8,168.28/12,254.58 = 3,788.88/x
  3. Step 3: Cross multiply
    8,168.28x = 12,254.58 × 3,788.88
  4. Step 4: Simplify right side
    8,168.28x = 46,431,133.07
  5. Step 5: Solve for x
    x = 46,431,133.07/8,168.28
  6. Step 6: Final answer
    x = 5,684.32

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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.